Black/Silver Swingline Hole Punch, 20-sht SWINGLINE : 20-Sheet High-Capacity Lightouch Desktop Adjustable Punches. 50% less effort than comparable punches ¿ Non-marring chip catcher slides out to empty ¿ Durable metal construction ¿ Manufacturer¿s limited lifetime warranty 9/32" punch heads adjust for two- or three-hole punching; adjustable up to seven holes with Replacement Punch Heads (SWI74865), sold separately. Lever locks down for storage. Paper-size adjustable. Comfort grip. Sheet capacity is based on 20-lb. bond