The MHC 26 piece radius gage set accurately measures radii from 0.5mm to 13mm, making it ideal for metalworking inspection and measurement tasks. Made in China, this set provides precise and reliable results for CNC machining and manufacturing processes. The MHC brand ensures quality and durability in the tools used for checking the radius of various materials. This set is a valuable asset for professionals in need of accurate and efficient inspection gages. Thanks for looking!