118 comb binding machine

118 comb binding machine is for punching and binding the A4 size book with the max bindinglength of 300mm with 21 holes.Key technical parameter:Binding form: Plastic comb clamp strap,The max thinckness of binding: 25mm ring plastic comb / 50mm ellipse plastic combThe max punching thickness: about 12 sheets of papers The max binding width: 300mmHole distance: 14.3mm, 21 holes, Adjustable margin: 2.5-6mmHole shape: 3.0x8.0mmPunching form: manualMachine size: 370x140x230mmNet weight of one machine: 4.8 kgs.