For parts. Have not been tested. Retail box distressed. Free shipping applies within the United States only. Orders to Alaska, Puerto Rico, Guam, Virgin Islands, PO/FPO/APO boxes may require an additional fee. 500W Spindle and High Speed The upgraded 3-axis 4540 engraving machine is equipped with an 500W spindle for more power and higher efficiency, making it possible to cut stainless steel, aluminum and other metals. The maximum movement speed can reach 5000mm/min, the spindle speed range is 0-11000rpm/min