Material - Made of 2CR13 stainless steel, anti-rust, quality construction for long service life and accurate measuring.
Feature - 12 common angles from 29° to 90°. Marked with degrees to provide easy-to-read and accurate values.
Application - Used to check the angle of the thread-cutting tool, when cutting threads on a lathe, check the pitch of the thread, and help to set the position of the thread-cutting tool.
Convenient Use - Designed with a key chain hole, you can put it on the key chain, easy to carry and use.