... precision under long time use.6), Operation:is simple and convenient.7), Imported double nut screw, make sure ... prolonged working time.10), Machine body is heavy enough and stable enough to burden materials without transforming..Suitable material: ... ABS sheet, KT sheet, Timber ,Gemstone, Marble ,Aluminum and plastic composite panel, Iron, Copper, Aluminum, Plastics and etc.Specification: Model NoTC- ...