This Hydraulic Spine Pressing Machine is appling to pressing the spine of the sewing and gluing books, hardcover books in order to make them flat and firm. It applies foot switch and double protection linkage circuit to improve the security coefficient Pressing Thickness:20-100mm Pressing Width:550mm Machine Dimensions:900×700×810mm Machine Weight:500kg Power Supply:380V/220V 50HZ Impaction Strength(Max):7.5/10T for more details, please check http://www.autobindingmachine.com