CGOLDENWALL CGOLDENWALL is a manufacturer specializing in laboratory equipment and tool,we will provide to you the English Instruction and Professional Service Details Material: alloy Size: as is shown in the picture Usage: it can be used for metal products, steel, copper and aluminum materials, plastics, stainless steel mirror processing of leather products, fibers, synthetic materials, rubber, wood, stone, and welding point burr grinding. Product parameters: Belt width: about 10 mm / 0.39'' Belt length: about 330 mm / 12.99'' Belt size: about 10mm×330mm / 0.39 * 12.99'' Revolutions: 16000R.P.M Air consumption: 130L/MIN Intake thread: 1/4" Inner diameter of air duct: 3/8" Working pressure: 6.3KGs Grinding method: before and after polishing Application scope: 1. Spot welding point, grinding operation of the weld bead 2. Remove burrs, chamfer, and film 3. Woodworking grinding operations 4. Suitable for various uses of grinding operations