RENZ WIRE|GO 3:1 is a manual 3:1 pitch (34 rings/A4) wire comb binding machine. This compact entry-level model is perfect for quick and easy punching and binding of A4 and A5 documents. The ergonomic two-lever system and the integrated comb holder make it particularly user-friendly. With a maximum working width of 300 mm, you can punch up to 20 sheets per punching process with ease. Binding strengths of up to 135 sheets are possible.