Please kindly read the important remind (1)-(3) below. Important Remind (1): It is NOT only a pipe tube polisher, but also a powerful variable speed polisher / grinder for concrete stone. Important Remind (2): Please also see the 7 pictures attached to see how to remover the aluminum frame for belt, and make it a powerful grinder / polisher. This pack carries (a)-(b). Professional for burnishing, finishing and re-conditioning stainless steel, steel, non-ferrous metals, plastic & wood. Max: 270 degree wrap angle to do efficient result/work. Double gear reduction brings high cutting torque. This machine is variable speed, speed remains constant under load with. (b) 250 Pieces of FREE GIFT. (1 1/2″ X 30″) Red Color Alumina Belt. Coarse and finer grit included. 60 Pieces X Grit 60 120. 40 Pieces X Grit 180 240. 20 Pieces X Grit 600 800. 10 Pieces X Grit 1000. Important Remind again: Please also see the 7 pictures attached to see how to remover the aluminum frame for belt, and make it a powerful grinder / polisher.