STANDARD BIND-FAST 5 W/BF-5 NIPPER CLAMP, Perfect Binder, White, Ser. # 013454, Excellent Condition, Very Nice Perfect Binder & Padder W/OPTIONAL NIPPER CLAMP For Perfect Binding, Up To 1-3/4" X 15-3/4" Perfectbound Books, Or Up To 3" X 17-1/2" Pads (min 2, Max 600 Sheets)