Best Plastic Manual Knife Sharpeners of 2025

Mohammed Clark Avatar
Mohammed Clark
Last Updated: 4 Feb 2025

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Plastic manual knife sharpeners are a convenient and affordable solution to dull knives in the kitchen. These sharpeners are designed to be easy to use, with a simple mechanism that allows you to sharpen your knives quickly and efficiently. They are made from durable plastic materials that can withstand frequent use and are easy to clean. With a variety of sizes and styles available, you can find the perfect sharpener to fit your needs and budget. These sharpeners are a great investment for anyone who wants to keep their knives sharp and ready for any task in the kitchen.

At a Glance: Our Top Picks

AnySharp Knife Sharpener with PowerGrip Suction Cover #TOP 1
AnySharp Knife Sharpener with PowerGrip Suction
ftb score rating icon 9.9
Wellehomi KSR02 Professional Two-Stage Knife Sharpener Cover #TOP 2
Wellehomi KSR02 Professional Two-Stage Knife Sharpener
ftb score rating icon 9.8
Constprog Manual Knife Sharpener with Suction Base Cover #TOP 3
Constprog Manual Knife Sharpener with Suction Base
ftb score rating icon 9.6

Top 10 Plastic Manual Knife Sharpeners

#TOP 1

AnySharp Knife Sharpener with PowerGrip Suction

42535
Silver
One Size
AnySharp Knife Sharpener with PowerGrip Suction Cover
AnySharp Knife Sharpener, Hands-Free Safety, PowerGrip Suction, Safely Sharpens All Kitchen Knives, Ideal for Hardened Steel & Serrated, World's Best, Compact, One Size, Silver

The AnySharp Knife Sharpener is a must-have tool for your kitchen. It sharpens all types of knives, including hardened steel and serrated varieties, giving you a precise cutting edge effortlessly. With its pre-set 20-degree angle, you can achieve professional results without needing expertise. The unique PowerGrip suction feature ensures safe, one-handed use, allowing you to focus on sharpening without worrying about stability. This compact sharpener fits easily in your drawer, making it a convenient addition to your kitchen tools.

What We Like
Sharpens all types of knives
Safe one-handed operation
Compact and easy to store
Professional results at home
#TOP 2

Wellehomi KSR02 Professional Two-Stage Knife Sharpener

T01KR
Wellehomi KSR02 Professional Two-Stage Knife Sharpener Cover
Wellehomi KSR02 Professional Knife Sharpener, Premium Two Stages Manual Knife Sharpener with Non-Slip and Ergonomic Design,Red,7.5 inch x 2.4 inch x 2 inch

The Wellehomi KSR02 Sharpener is designed with a professional two-stage sharpening system, making it easy for you to restore your dull knives. The coarse slot is perfect for fine grinding and sharpening, while the fine slot polishes blades to a sharp finish. Its ergonomic and non-slip handle ensures a safe grip, allowing you to sharpen your knives confidently. Additionally, its durable materials, including ABS plastic and stainless steel, guarantee longevity and easy maintenance, making it an essential tool in your kitchen.

What We Like
Two-stage sharpening system
Ergonomic non-slip handle
Durable materials
Easy to use
Convenient for storage
#TOP 3

Constprog Manual Knife Sharpener with Suction Base

Constprog
Knife Manual Sharpening Tool
Constprog Manual Knife Sharpener with Suction Base Cover
Knife Sharpener Manual Sharpening Tool for Knives and Scissors Kitchen Gadgets (Red)

The Constprog Knife Sharpener is designed for quick and efficient sharpening of various types of knives and scissors. With its strong suction base, you can securely attach it to any smooth surface, ensuring safety during use. You’ll appreciate the ability to sharpen dull knives in just 3 seconds with minimal effort, making meal prep faster. Made from high-quality materials, this compact sharpener is both lightweight and portable, perfect for taking on camping trips or barbecues.

What We Like
Strong suction base for safety
Sharpens in just 3 seconds
High-quality, durable materials
Compact and lightweight design
Perfect for outdoor activities
#TOP 4

GVSAVY Manual Knife Sharpener for Kitchen and Outdoor

GVSAVY
gywugangmodaoqi
14.5*6*2cm
GVSAVY Manual Knife Sharpener for Kitchen and Outdoor Cover
1pc Knife Sharpener, Manual Knife Sharpening Tool, Mini Kitchen Knife Sharpener, Outdoor Portable Handheld, Garden Tool, Suitable for Pruning, Hedge, Garden, Kitchen

The GVSAVY Knife Sharpener is a versatile tool that enhances your cooking and outdoor experiences. Its sturdy tungsten carbide steel blade ensures durability, making it reliable for sharpening various types of knives. The safety design features a protective plastic handle, allowing you to grip it securely while protecting your hands from accidental cuts. Additionally, this sharpener is incredibly easy to use; simply slide your dull knives across it a few times to restore their sharpness, ensuring your food is prepared with precision.

What We Like
Sturdy and durable materials
Safe and easy to grip
Quick and effective sharpening
Suitable for various knife types
#TOP 5

Ooputo 3 Stage Manual Knife Sharpener

Ooputo
WHD352-SRK01
Ooputo 3 Stage Manual Knife Sharpener Cover
Ooputo Kitchen Knife Sharpener - Professional 3 Stage Manual Sharpeners - Ergonomic Handle and Non-Slip Base - Safe Sharpening Tool - Easily Honing Knives in a Breeze, Black.

The Ooputo Knife Sharpener features a convenient three-stage sharpening system, allowing you to restore dull knives in just 3-5 seconds. Whether you are right or left-handed, you can easily sharpen your knives by drawing them through the slots. Its ergonomic grip and non-slip silicone base provide stability, ensuring safe sharpening without the risk of injury. Additionally, the detachable grinding head is dishwasher safe, making cleaning a breeze for you.

What We Like
Three-stage sharpening options
Ergonomic and safe design
Dishwasher safe grinding head
Quickly sharpens various knife types
#TOP 6

SWYSH 4-Stage Manual Knife Sharpener Tool

SWYSH
4 Stage
Silver
SWYSH 4-Stage Manual Knife Sharpener Tool Cover
SWYSH 4-Stage Manual Knife Sharpener – Kitchen Knife Sharpening Tool – Scissors Sharpening Slot – Blade Sharpener for Everyday Knives – Compact & Portable Knife Sharpener with Cut Resistant Gloves

The SWYSH Knife Sharpener features a three-step sharpening process that allows you to restore your knives to a razor-sharp edge, catering to various degrees of wear. The comfortable handle and lightweight ABS plastic body make it easy to hold and use, ensuring a steady grip during sharpening. Safety is prioritised with a non-slip rubber base that keeps the sharpener firmly in place on any flat surface. This tool is designed for straight-edged steel and wide serrated knives, making it a versatile addition to your kitchen arsenal.

What We Like
Three-step sharpening process
Comfortable and stable handle
Non-slip rubber base
Suitable for various knife types
#TOP 7

UILYNIU Portable Knife Sharpeners - 2 Pack

UILYNIU
Q -MDQ
White
UILYNIU Portable Knife Sharpeners - 2 Pack Cover
UILYNIU 2 Pack Knife Sharpeners, Portable Sharpeners, Kitchen Knife Sharpeners, Garden Sharpening Tools, Manual Knife Sharpening Tool, Tool Sharpener, for Pruning, Hedge, Garden, Kitchen (White)

The UILYNIU Knife Sharpeners are a set of two portable tools designed for both kitchen and outdoor use. Made from sturdy tungsten carbide steel blades, they ensure your knives remain sharp and ready for action. The ergonomic handle provides a comfortable grip, making it easy for anyone to use, whether you're right or left-handed. With a protective design, you can sharpen your knives safely, preventing any accidental cuts while maintaining maximum control. Simply slide your dull knives through the sharpener to restore their edge effortlessly.

What We Like
Portable for home and outdoors
Ergonomic and comfortable grip
Safe to use
Restores knife edges easily
#TOP 8

3-Stage Manual Knife Sharpener with Finger Guard

LalolaGourmet
RS-168
Red and Black
3-Stage Manual Knife Sharpener with Finger Guard Cover
Profesional Knife Sharpener 3 Stages & Cutting Fingers Protector Stainless Steel I Premium Manual Knife Sharpener with Ergonomic Design and Non-Slip -Black & Red-

The LalolaGourmet Knife Sharpener features a unique 3-step sharpening system that helps you restore dull knives to their original sharpness. The first slot repairs damaged blades, while the second sharpens them to perfection. Finally, the third groove hones for a clean finish. Additionally, the included stainless steel cutting finger guard ensures your safety while cooking, allowing you to focus on your culinary skills without worry. The non-slip base provides stability, giving you comfortable control as you sharpen your knives.

What We Like
Effective 3-step sharpening system
Includes safety finger guard
Non-slip base for stability
Durable, high-quality materials
Suitable for all knife types
#TOP 9

4PCS Manual Knife Sharpener for All Blades

HZ-UK-LTT-LQZ11161D10
4PCS Manual Knife Sharpener for All Blades Cover
4PCS Knife Sharpener - Professional Manual Sharpening Tool for Kitchen Knives, Scissors & Serrated Blades - Ergonomic Design, Safe & Portable

The 4PCS Knife Sharpener is a versatile tool designed for sharpening various blades, from kitchen knives to gardening tools. Its compact, lightweight design means you can easily carry it for quick touch-ups during camping trips or outdoor activities. The ergonomic, non-slip handle ensures a secure and comfortable grip, allowing you to sharpen blades safely. Made with high-quality tungsten carbide, this sharpener quickly restores blade edges with minimal effort, making it a practical choice for anyone in need of efficient blade maintenance.

What We Like
Versatile for multiple blade types
Portable and lightweight design
Ergonomic, non-slip handle
High-quality tungsten carbide blades
#TOP 10

Erised's Bifrost 5 Stage Knife Sharpener

EB8-0055-62-UK2
Black
9.85"
Erised's Bifrost 5 Stage Knife Sharpener Cover
Professional 5 Stage in 1 Manual Knife Sharpener Design by UK with Non-Slip Base & Ergonomic Handle Sharpening for Most Kitchen Chefs/Serrated/Bread/Pocket/Hunting Knives, Scissors

The Bifrost Knife Sharpener offers professional precision sharpening for various types of knives and scissors. With high-quality materials like Tungsten Steel and Resin Diamond, you can achieve razor-sharp blades with just a few strokes, making it easy for anyone to sharpen their kitchen tools. The ergonomic handle and sturdy non-slip base ensure safety during sharpening, allowing you to focus on perfecting your knives without the risk of slipping. This multifunctional tool is suitable for a wide range of knives, ensuring all your cutting tools are in top condition.

What We Like
Professional precision sharpening
Ergonomic and safe design
Handles various knife types
Compact and portable
Buying Guide Image

Ready for the Course: How to Buy the Right Plastic Manual Knife Sharpeners

People use knives daily, whether it’s in the kitchen or out in the fields. You’ll always need a handy knife that can cut through objects when called upon. However, the knife loses its value when it becomes blunt and unable to cut through these objects. Instead of disposing of such knives, you can always sharpen the blades of the knife. One of the best ways to sharpen those knives is via the use of plastic manual knife sharpeners. Here are some useful tips that’ll help you get the best plastic manual knife sharpener.

Factors to consider before buying a plastic manual knife sharpener

Ease of use: You don’t want a knife sharpener that’s almost impossible to operate. Your choice of manual knife sharpener must allow you to easily sharpen all of your blunt knives. Also, it becomes hazardous to use such equipment as it could lead to injuries. You must also pay attention to the ease of installation. The manual knife sharpener must not require many technicalities for its installation.

Grit levels: Certain manual knife sharpeners are designed simply for reactivating knives that have not been used for a while. Such knife sharpeners do not have the firepower to sharpen a knife properly. You must opt for a manual knife sharpener that allows you to switch from one sharpening mode to another. Some of the common grit levels include; fine grit, medium grit, and coarse grit. Sharpeners with coarse grits can turn a dull knife into one that can cut through any object.

Sharpener material: The importance of the sharpener material in sharpening knives cannot be overemphasized. The abrasive used in sharpening the knife determines how effective the process will be. Diamond is considered the hardest abrasive material, and it’s usually the most effective when it comes to sharpening. Other less expensive yet effective materials can also be used as sharpening abrasives.

Safety features: The knife sharpening process is already hazardous; the sharpener shouldn’t add to the burden. Certain manual knife sharpeners have safety features in case there are any mishaps during the process. You must take advantage of such sharpeners to ensure that you have a smooth sharpening experience.

Ease of cleaning: There will always be residual particles from the knife sharpening process. You must ensure that the sharpener allows you to clean such particles without having your hand stuck in the manual knife sharpener. Ensure that you lookout for the cleaning mode in your eventual choice.

Advantages of plastic manual knife sharpeners

  • It allows you to sharpen all your knives with ease.
  • Seamless installation of components and parts
  • Relatively lower purchase and maintenance costs

Frequently Asked Questions (FAQs)

How fast can I sharpen my knife with a manual sharpener?

The sharpening time is dependent on many factors, factors like abrasive strength and sharpening angle. However, the sharpening doesn’t go beyond a few minutes.

Frequently Asked Questions (FAQs)

1. Are manual knife sharpener good?

Both manual and electric sharpeners have pros and cons. Manual sharpeners are generally less expensive, don't require a power source, and since they're not automated, offer better control. But they can take some experience to use effectively, and often don't work on serrated knives.

2. Do manual knife sharpeners wear out?

Knife sharpeners do wear out, but because of the material they are made from, it takes a long time for them to wear out to the point that they need to be replaced. The quality of the sharpening device will also factor into the longevity of the abrasive. Always purchase the best quality knife sharpener that you can.

Editor's Notes

During our plastic manual knife sharpener research, we found 139 plastic manual knife sharpener products and shortlisted 10 quality products. We collected and analyzed 328,291 customer reviews through our big data system to write the plastic manual knife sharpeners list. We found that most customers choose plastic manual knife sharpeners with an average price of £6.41.

The plastic manual knife sharpeners are available for purchase. We have researched hundreds of brands and picked the top brands of plastic manual knife sharpeners, including AnySharp, Wellehomi, Constprog, GVSAVY, Ooputo.

Written by
Mohammed Clark Avatar

Mohammed Clark is an architect and a contractor. His architectural skills are not limited to designing the plan for structures alone, but it extends to aesthetics and home décor. Before establishing his firm, he worked under a construction firm for eight years. Mohammed has gathered enough experience from his time practicing as a professional architect and now has vast knowledge in home designs and aesthetics.