Extra heavy-duty, two-hole punch is ideal for every law and medical office. Extra heavy-duty punch drills through a 100 sheets of standard 20 lb. bond paper with patented Carl Hollow-Core technology and Samurai Steel punch heads to drill through more sheets with less effort. Punch heads are preset to punch 9/32" diameter holes for standard two-ring journals and ledgers. Dual self-centering guides deliver perfect punching every time. Hole punch also offers a large-capacity waste tray, nonskid base and solid metal construction.