With a sliding knob and clear size marking, this tool enablesquick and measurement of Bolts size Fast, measurement, eliminating guesswork Equipped with a keychain, this thread size Checker can be conveniently attach to your or belt, ensuring it ' s within reach when you need it For professional tasks With anintuitive and durability build, suitable for quick problemsolving and perfect result Say goodbye to thedays of test-fitting random to find the right Savetime and effort Easy thread size identification with reduced errorrisk, suitable for professional and enthusiasts The Bolts and nut Identifiers Gauges is selected from aluminum and hardened thread Ensuring thread strength and accuracy for both standard and metric nut, Manufacturer: HDOYTXXM