General Use The self-centering punch is the tool you need to create an indentation in work materials to help screws and drill bits stay in place and resist drifting off center in your drilling. This comes in really handy when you are working with delicate work or major construction. It's not specific to professionals either, it's great for drilling jobs around the house as well Product Features It is equipped with adjustable screw pressure. Simply by releasing the screw at the top of the punch. This will allow you to control the striking pressure of the double-spring barrel and give you the correct indentation on the materials you are using. By having this adjustable pressure, you can create indentations in harder materials and conversely release the pressure for softer materials Durability The tip of this self-centering punch is made from high-speed steel for high strength and durability. The idea with any tool is that you want it to be ready to use when you need it. Because of its high-speed steel tip, it will survive all the different jobs you can throw at it. Built into the handle is a knurled grip to prevent slippage during use, ensuring stability and maneuverability PrecisionEach punch is machined to exact specifications, so you are ready to create your indentions on every job. Includes a textured handle allowing for stability and maneuverability. Usually used to mark the center of a point, small dimple guides the tip of the drill bit and prevents slippage or deflection that results in damage. Suitable for punching on steel plate, wooden board and other materials to position holes Multi-purposeThe automatic positioning punch is suitable for many tasks, such as marking on materials, automatic emergency tools, iron plate positioning, wood positioning, wall positioning, etc. Color: Gold Size: 12.9*1.28cm, chisel tip diameter 2mm, handle width 2.76cm. Delivery quantity: 2 pieces The dimensions of the products are all measured by hand, there are errors, and the actual product shall prevail. The color of the product is affected by the shooting light, and there is a slight color difference, which is subject to the actual product received.