GBC SureBind System 3Pro, Comb binding machine, Electric, 750 sheets, Black, White GBC SureBind System 3Pro. Product type: Comb binding machine, Method of control: Electric, Binding capacity: 750 sheets. Width: 22.4" (570 mm), Depth: 18.1" (460 mm), Height: 23.6" (600 mm)