This is an automatic center punch used to produce a in a workpiece. It performs the same function as an ordinary center punch but without the need for a hammer. When pressed against the workpiece, it stores energy in a spring, eventually releasing it as an that drives the punch, producing . The provided to the point of the punch is quite repeatable, allowing for uniform impressions to be made. Features - Color: Gold. - Material: Metal. - Size: 130mm / 5.1inch. - No hammer needed, with this automatic center tool, you can create a in a workpiece quickly and easily. - Suitable for punching plate, aluminum, copper, wood plank, plastic and other materials to positioning holes. - Usually used to mark the center of a point, the small guide the tip of the drill and avoids or deviation which result in damaging. - The premium Plastic body has a deeply knurled nonslip surface for sure handling and control. Package list: 1 x 130mm Automatic Centre Punch Spring Loaded Press Dent Marker (Gold)