Best Radius Gauges of 2026

The GLARKS G-985 Gauge Set includes four high-quality radius fillet gauges, ranging from R0.3 to R25mm. Each gauge is crafted from durable steel with a polished finish, ensuring longevity and resistance to rust. You will appreciate the clear markings on each leaf, making it easy to identify the right gauge for your needs. This set is conveniently housed in a portable plastic box, allowing you to carry and store it with ease, perfect for tool and die makers or machinists who require precision in their work.

The MusicNomad Fretboard Gauge is an essential tool for guitarists, featuring a precision radius gauge set with measurements from 7.25” to 20”. This allows you to accurately measure the fretboard and string radius on electric, acoustic, and bass guitars, ensuring optimal playability. The innovative black finish helps you easily see if the strings are touching, while the etched instructions eliminate any guesswork. Crafted from premium stainless steel with polished smooth edges, this gauge guarantees durability for years of use.

The Mitutoyo Radius Gauge is designed for precision in measuring both concave and convex radii. Each gauge has its size clearly stamped, making it easy for you to select the right one quickly. The combination of concave and convex gauges allows for versatile applications in various projects. Additionally, with a locking clamp, you can secure your measurements confidently, ensuring accuracy and ease of use. This product not only enhances your efficiency but also improves the quality of your work.

The Hilitand Radius Gauge is a durable stainless steel tool designed for measuring both convex and concave surfaces. Its robust construction ensures it resists rust, providing you with a reliable measuring device. Each leaf is clearly marked, making it easy for you to identify the correct one for your needs. With various measuring ranges available, this gauge allows you to accurately assess the radius of different objects, making it invaluable for tool and die makers, machinists, and other professionals.

The Bnineteenteam Radius Gauge is a high-quality tool designed to aid in guitar repair and maintenance. Made from durable metal, it withstands breakage and ensures long-lasting use. You can easily set your guitar bridge saddle to match the fingerboard radius, ensuring optimal playability. This gauge also helps expand your guitar knowledge while enhancing your hands-on skills, making it a perfect addition for both beginners and experienced players alike. With nine different sizes, it suits various guitar types and needs.

The Hilitand Radius Fillet Gauge is crafted from stainless steel, ensuring it resists rust and remains durable for long-term use. It features two types of leaves, allowing you to measure both convex and concave surfaces with ease, making it versatile for various tasks. Each leaf is clearly marked, so you can quickly identify the size you need without confusion. Additionally, there are different measuring ranges available, giving you flexibility to accurately check the radius of different objects, which is especially handy for tool and die makers or machinists.

The eMagTech Radius Gauge Set features a comprehensive measuring range suitable for various applications, including home improvement and machine installation. You can easily measure the thickness or width of screws, valves, and bearings, making it ideal for designers and engineers. The easy-to-use design includes clearly marked leaves, allowing you to quickly identify the one you need. With its excellent 360-degree locking screw, unfolding and folding the gauge is effortless, enhancing your overall user experience.

The DEWIN Radius Fillet Gauge is a practical tool designed for precise radius measurement. Each leaf is clearly marked, making it simple for you to select the right size quickly. It features both convex and concave leaves, allowing you to measure various surfaces easily, whether inside or outside curves. Made from durable stainless steel, this gauge resists rust and ensures long-lasting use. Its compact design means you can carry and store it without hassle, offering you convenience and reliability in your measuring tasks.