Swingline Replacement Punch Set for 144-Sheet Punch Heavy-Duty 144-Sheet High-Capacity Adjustable Paper Punch, Replacement Punch Sets • Punches 9/32" holes and includes three punch heads Punches two or three holes. Letter size. Adjustable paper guide, chip tray. Gray handle. Replacement Punch Sets (SWI74857, SWI74860) sold separately. Sheet capacity is based on 20-lb. bond. (As more heads are added to a punch, the sheet punching capacity decreases.) Manufacturer's limited 180-day warranty. Replacement Punch Set Three 11/32" diameter punch heads and six punch disks. For Heavy-Duty High-Capacity Adjustable Punch (SWI74650), sold separately.