Across Sizes: Our radius gauges offer exceptional accuracy, with tolerances ranging from +/-0.0008Inch for 1/64Inch - 7/64Inch, +/-0.0010Inch for 1/8Inch - 15/64Inch, +/-0.0012Inch for 1/4Inch - 3/8Inch, to +/-0.0014Inch for 13/32Inch - 1/2Inch. Ideal for tasks requiring stringent . Versatile Application: This Radius Measuring Tool is essential in diverse fields like manufacturing, engineering, woodworking, and metalworking. Its five gauging surfaces are perfect for checking both convex and concave , ensuring precise and accurate measurements every time. Comprehensive Measuring Range: Equipped with 25 radius gauges ranging from 1/64 - 17/64Inch by 64ths and 9/32 - 1/2Inch by 32nds, this set caters to a variety of measurement needs, enhancing efficiency in both professional and everyday environments. User-Friendly Design: Each gauge is clearly marked for quick identification and selection. The included holder facilitates measurements in challenging locations, and a snap protective cover ensures convenient access, storage, and transport., Weight: 0.43431065614 pounds, Manufacturer: Awwertse