(52 pieces) Stainless steel thread pitch gauge, 60 and 55 degree thread gauge, metric + imperial measuring tool

Material and Finish: The thread gauge is made of stainless steel and treated with a chrome finish, combining high strength, good resilience, and an elegant appearance. Main Function: This thread gauge can be used to measure the thread and pitch of external threads. The thread gauge has high hardness and a magnetic head thanks to a hardening process. Good Protection: Each thread gauge is contained in a thick plastic bag that protects it from water and stains. Convenient: This steel thread gauge is easy to use, lightweight, and delicate, with precise measurements and a simple design, making it widely applicable.