Heavy Duty Pistol Grip Hammer CP7111 KIT (SSKD)Benefits Versatile and cost effective Fast cutting action Designed for all general works Features Standard . 401 round shank Easy change retainer for quick accessory change Part number 8941171110 Model CP7111K Power (Joules) 7. 2 joule Blows per minute 3000 Cold rivet capacity 1 4" 6. 4 mm Cold rivet capacity (steel) 3 16" 4. 8 mm Bore 3 4" 19 mm Stroke 2. 63" 67 mm Chisel rivet set shank 0. 401" 10. 2 mm Shank Round Net weight 3. 5 lb 1. 6 kg Length