Product Description: Material: Knurled Steel body, Alloy Stell point Color: Gold Length: 5.1″ (132mm) Simple and accurate to use. Knurled handle for preventing from slipping. Gives a precise starting point on steel and other solid materials. Allows you to easily mark the point with one hand prior to drilling without slipping. Automatic spring loading and releasing at the top of the cycle with force to create centre punch easily and accurately(No Hammer Needed). Spring pressure can be adjusted by simply rotating the knurled top of the punch. Automatic design clearly and accurately punches in steel, wood and plastic. Package Includes: 1 x Automatic Centre Punch