YITAMOTOR quick attachment mount plate is widely used, it can be used on any attachments, like tree spade, backhoe, wood splitter, plows, forklifts, bale handlers, and so on. material:Grade 50 structural steel, outside width:45.2", inside width:44.29", height:16.81", weight:81 lbs, plate:5/16" thick, warranty:1 Year