Tamerica 213PB Multi-Comb Binding Machine with Wire Closer and 3-Hole Punch, Punches 5000 sheets/hr Up to 12" or 21 Holes and Binds 250 Books/hr Up to 2" Thick, All Metal Construction 4-position punching depth adjustment Punch pattern for spiral-o With wire closer & 3 hole punch 21 disengageable dies Hollow ground dies