Extra heavy-duty, two-hole punch is ideal for every law & medical office. Drill through 100 sheets of standard 20 lb. bond paper with patented Carl Hollow-Core technology & precision-ground, all-steel punch heads to punch through more sheets with less effort. Punch heads are preset to punch 1/4" diameter holes for standard two-ring journals & ledgers. Built-in paper guide delivers perfect punching every time. Strong handle grip allows easy punching with less effort. Hole punch also offers a large-capacity waste tray, nonskid base & solid metal construction.