HIOFCSIR

Comb Binding Machine, 12-Sheet Punch, 300 Combs fits Letter, A4 and A5 paper, Heavy-duty Book Binder for office reports and school projects Punches 12 sheets of 20 lb (75 gsm) paper in one pass, plus 2 sheets of 85 lb cover stock or 1 sheet of 5 to 12 mil PVC cover, so covers and dividers run through the same die as the text block Ships with 300 black PVC comb spines, 100 each in 1/4", 5/16" and 3/8", covering 11 to 25 sheets, 26 to 45 sheets and 46 to 65 sheets of 20 lb paper, so a thin...