Best Plastic Knife Sharpeners of 2026

The Opinel Knife Sharpener is a compact and convenient tool for your kitchen. Its simple handling allows you to sharpen your knives with ease, as the carbide sharpening elements automatically adjust to the blade, ensuring the correct sharpening angle every time. The small silicone pads provide stability, so you can safely use it on any table surface. Additionally, the plastic housing features finger grooves, making it comfortable to hold while you work on your knives.

The Fiskars Roll-Sharp Sharpener makes knife sharpening quick and easy for everyone. You can effortlessly sharpen your steel knives using the durable ceramic sharpening stones by sliding the blade back and forth. The 30° sharpening angle ensures optimal results, giving your knives the edge they need. Additionally, the non-slip bottom provides stable support during use, while the integrated finger protection minimises the risk of injury, making it safe for both right- and left-handed users.

The Victorinox Knife Sharpener makes sharpening your straight cut knives a breeze with its easy one-step process. Its ergonomic design ensures a comfortable grip, allowing you to sharpen effortlessly. Crafted with durable, V-shaped carbide plates, this sharpener offers precision and quality, helping to maintain the sharpness of your knives. Manufactured in Switzerland, it embodies Victorinox's commitment to premium quality and innovation that has lasted over 130 years.