Magnum Duo MMD-WW 3:1 & 2:1 Pitch Wire Simply switch between 2:1 & 3:1 wire punch options. Integral wire closer for 3:1 + 2:1 Max. punching capacity: 20 sheets* Max. 3:1 binding capacity: 120 sheets* Max. 2:1 binding capacity: 240 sheets* Dimensions: 360 x 440 x 190mm *80gsm 1 Year Warranty Included