Extra heavy-duty, two-hole puncher is ideal for every law and medical office. Extra heavy-duty punch drills through a 100 sheets of standard 20 lb. bond paper. Uses patented Carl Hollow-Core technology and Samurai Steel punch heads to drill through more sheets with less effort. Preset to punch 9/32" diameter holes for standard two-ring journals and ledgers. Features dual self-centering guides for perfect punching every time. Large capacity waste tray with nonskid base. Solid metal construction.Punch kits include two punch heads and four punch disks.