
A4 Base Heavy Duty Aluminium Comb Binding Machine Book Binder Comb Strip 10 Holes A3 B4 F4 Size (MS8701). Heavy Duty Aluminium Design: Constructed from durable aluminium for superior strength and longevity. High Capacity Punching: Punches up to 28 sheets of 70-80g paper per operation. Extended Paper Size Support: Handles A3, F4, A4, A5, B5, and LTR sizes with paper extension structure. Large Waste Bin: Features a super large waste bin located at the front of the machine. Versatile Binding Capacity: Can bind up to 500 sheets using 51mm comb rings. OEM Service Available: Manufacturer offers OEM services for custom branding and requirements. Precise Hole Specifications: Features 21 holes with 3*8mm rectangle shape and 14.3mm spacing. Flexible Margin Options: Supports paper margins of 2.5mm, 4.5mm, and 6.5mm.