DescriptionThe precision-manufactured high-carbon steel anti-skid shell can accurately trigger a strong impact after being pressed hard. With the high-speed steel impact tip of accurate hardness, it can easily locate and break glass on high-hardness metals.Features- Color: Black and silver.- Material: Medium-carbon steel, stainlaess steel.- Size: 12.80X1.25X1.25cm/5.03X0.49X0.49inch.- The center positioning punch does not need to be hammered, and the spherical grip is convenient to use.- Easy to save effort and easy to store with considerate design.- Various functions, can be used as center punch, drill positioner, glass window breaker.- One-handed spring-loaded impact operation, no hammer required.- Automatic center punch will mark, scribe, punch and start drill, nail or screw holes.