3688 comb binding machine 1). Binding form: Plastic comb, clamp strap 2). The Max. Thickness of binding: 35mm ring plastic comb, 50mm ellipse plastic comb 3). The Max. Thickness of punching: 20 pages(80g) 4). Max. Binding width: Below 360mm 5). Hole distance: 14.3mm, 21 holes 6). Adjustable margin: 3-6mm 7). Design of section: 3.0*8.0mm 8). Quantity of movable cutter: 24 pieces 9). Punching form: Round handle 10). Dimension: 500*380*200mm 11). Net weight: 10.8Kgs