Model: NB-450 Wire Specification:5/16"3/8"7/16" Wire Specification:1/2"9/16"5/8"3/4" Max Thickness Binding:20mm Max Binding Width:450mm Min Binding Width:100mm Working Speed:700-1300 notes/hour Power Supply:220v/1ph/50Hz Machine Dimensions:800mm x1400mm x 1200mm Machine Weight: 240kg for more details, please check http://www.autobindingmachine.com