2-Piece Automatic Center Punch Set, Automatic Center Punch, Spring Tension Center Punches, Adjustable Impact Automatic Center Punch, for Wood, Wall, Metal, with 2 Replacement Points

Material: The punch head is made of HSS high-speed steel with a hardness of HRC58-60.

Dimensions: The overall length is approximately 128 mm, the shaft diameter is 12.7 mm, and the head diameter is approximately 0.6 mm. The cap diameter of the head on the model with the cap is approximately 28 mm.

Features: The spring integrated into this center punch provides powerful striking force for drilling holes in steel plates and wooden boards, breaking glass, etc. In an emergency, you can use this center punch to break a window and escape. It is quick and easy to use, and its effect is immediate!

Instructions for use: Point the heavy head towards the positioning point, hold the handle firmly, and press down hard towards the punch. After driving the punch into the shaft a short distance, the powerful spring will forcefully eject it, creating a hole for the point. No tools such as a hammer are required. It's simple and easy to use.