Features: A traditional center punch requires to use with a hammer. However, the Center Spring Punch can do the work by bear hand. It produces the same function of traditional center punch when pressed against work piece. The spring inside the center spring punch store energy while pressing and release it to creates a hole. Center Spring Punch is often used on wood, and metal piece. Sometimes, it may also use on rescue mission as a glass breaking tool. The hammer spring tension is adjustable by rotating the handle, it’s used also for template marking. Hardened for wood or metal punching. SPECS: ► Solid brass body