Description: Point the tip at the center point of the object, resist the grip of the handle to press down. Use the force and the reaction force principle, mark a hole or break the glass in a moment. The force of the center punch can be adjusted through the cap, no need to use hammers. Easy to make a dangle on your nail decoration Suitable for professional use or home use. Double drill clamp can hold 0.5mm-3mm twist drillers. Specification: Size : 90mm x 15mm / 3.54in. x 0.59in. Gross weight: 27 g Color: Sliver Meterial: Metal Application: Punching tool for DIY handmade Package Includes: 1 Pack of 1 Piece hand drill and 2 Pieces drill clamp Note: Due to manual measurement, there may be 1-2mm error in size. Due to the difference between different monitors, the picture may not reflect the actual color of the item