The desktop stack paper cutter is equipped with a machined all steel side gauge with 1/32inch resolution measurements and rail-based all steel back support arm. The back support arm can easily be flipped up to accommodate larger and longer documents. It also comes with an all steel base protected with scratch resistant coating. The maximum cutting width of this model is 12inch and the thickness capacity is 500 sheets of 70G bond papers. Parameter: Operation Way: Manual Maximum Cutting Width: 12inch/315mm Cutting Thickness: 0.02 -1.58 (0.5-40mm) 500Sheets 70G(20Lb) Paper Cutter Size: 20*16*9inch/520*400*230mm Net Weight: 31LB/14kg Material: steel Feature: 1.maximum cutting width is 12.2”(310mm) 2.The thickness capacity is 500 sheets of 70G bond papers. 3.All steel base with computer generated dual measures (standard inches and metrics). 4.Machined steel side gauge with standard measures (1/32 resolution) 5.Protected with scratch resistant coating. 6.Automatic safety blade lock prevents cutting until released. 7.Replaceable and re-sharpen-able blade. Items included: 122027 PreAsion A4 Stack Paper Cutter Manual Photo Vinyl Film Paper Trimmer 12inch