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 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 With a sliding knob and clear size marking, this tool enablesquick and precise measurement of Bolts size Fast, precise measurement, eliminating guesswork The Bolts and nut Identifiers Gauges is selected from aluminum and hardened thread Ensuring thread strength and accuracy for both standard and metric nut For professional tasks With anintuitive and durability build, suitable for quick problemsolving and perfect result, Manufacturer: GAOINTELL