... manual drill binding machine. Handy,shortcut,safety,green,beauty,durable. With the scientific electro-circuit design,it can warm up faster and make ... diameter: 5.1 mm Suitable for paper books Max thickness: 30 mm Specifications: Dimensions: 311mmx200mmx462mm(250m,after the handle push off ... .5kgs Gross Weight:5kgs Size of Carton(1pcs): 500mmx370mmx310mm Book Binding Machine