MAIN FEATURE: 1、USED FOR ALL SHOE. 2、AUTO BALANCE MEMORY SHAPED DESIGN. 3、STRUCTURE DESIGN THAT CAN ADJUST RAISE ANGLE OF SHOE. SPECIFICATION: SIZE（LxWxH): 1810x900x1880(mm) PACK（LxWxH): 2000x1070x2120(mm) N.W.: 1430kg WORK PRESSURE: 20-50kg/CM2 POWER: 3HP x 4P