DescriptionMarks workpiece with a dimple, creating a starting point that prevents screws and drills from wandering. Delivers an automatic spring-driven strike when pressed against surface. Adjustable regulates striking force. Deeply knurled surface for nonslip control.Feature-Color: Golden.- Material: High Steel.- Size: 13 x 1.27 x 1.27 cm.- Easier To Drill: Picture having an automatic hand punch tool with a spring loaded mechanism that actually works and makes a solid mark in wood, metal, steel, aluminum, brass, copper and more. This Forge Industrial Brass Center Punch gives your drill a start point and makes it easier for you so it doesnt in tight spots. Don't let your drill walk again!- High Quality: Our automatic center punch is made of a well machined brass body and has a deeply knurled surface which means that it will not and offer more precise handling and control. Each metal hardened and plated tip lasts for hundreds of strikes so you can get the done!- Adjustable Tension: Because the Forge Industrial brass center punch has an adjustable tension screw you will be able to get it just right so you can use with a simple one hand operation. No more hammering!- Emergency Use: If you have been looking for an car emergency escape tool, then your search is over! That's because our automatic center punch is not only for wood and metal but able to shatter glass car windows which means that you can leave one in your car and always be prepared. Just use in the corner of a window and it will either shatter and fall out, or easily be pushed out and escape.