SK Hand Tools 217GJ2 15pc Multi-Impact Punch System Set. The Multi-impact punch system features accessories in a varity of materials to enable use on a varity of components without damage. The system makes it possible to work on a variety of components with one convenient set. The system also enables quick changes from one accessory to another for speed and efficiency. The system features the Facom shock-absorbing grip for optimal comfort and the precision and security that results from a sure hold on the tool. The new system includes sets designed for both installation and extraction to handle all applications, without damage to components. Set Contents: 15 Piece - Shock-Absorbing Punch Handle; 3mm, 4mm, 5mm, 6mm, 8mm Starter Punch Insert Tips; 3mm, 4mm, 5mm, 6mm 8mm Drift Punch Insert Tips; 4mm, 5mm, 6mm, 8mm Brass Drift Punch Insert Tips. Packaged in a plastic case.