Product Name: Automatic Center Punching Machine Color: Silver Head Punch: high-speed steel cover Material: Plastic shell: Steel shell product Size: 130 mm, diameter: approximately 28 mm Product features: The spring structure inside the center punch can provide strong impact force to complete the work of steel plates, plate punches, broken windows, etc. Usage: Align the positioning point with the countersunk head, firmly hold the handle, and then press in the direction of the punch. After pressing the punch into the rod for a short period of time, a powerful spring will forcefully eject the punch, forming a pit for the point without using tools such as a hammer. Easy to operate:The tip of this automatic punching machine is made of high-speed steel, which has high strength and durability.2. You no longer need a hammer, using this self centering tool can quickly and easily empty the workpiece.3. Usually used to mark the center of a point, small pits guide the tip of the drill bit to prevent any slip or deviation that may cause damage.4. Suitable for stamping steel plates, aluminum, copper, wood and other materials Package includes: 1 * automatic center punch Attention: Due to manual measurement, please allow for a slight error. Please make sure you don't mind before bidding. 2. Colors may vary depending on the monitor, please understand. Hello, please pay attention to your shipping address when purchasing products. If your delivery information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly