They are great for polishing jewelry or other metalworking uses. They can be used with a tool, suitable for rotary tool grinder. Wool felt polishing wheel is widely used in fine polishing of stainless steel, copper, l 'aluminum and other metals and glass, furniture, ceramics, marble and other non-metallic Use with your polish or polishing compound to clean metal polish , silver, gold, jewelry, chrome, plastic, wood, glass, tile and more. Apply to cylindrical bore crusher, pipe, grinding, to mold, medical equipment, beauty equipment, gold and silver jewelry, stainless steel, glass equipment, machine parts and other process of refining specials The polishing accessory is ideal for polishing most metal and plastic surfaces, wiping off dust and continuing to clean. Dimensions: the shaft is t 1/8 inch (3mm), polishing wheel diameter is 1 inch (2.54cm), abrasive wheel is 25mm Single buffer wheel set: 10 pieces per grain, 40 pieces in total, 120 brown grains, 180 green grains, 320 red grains, 400 black grains Description: Product details: p Quantity: 1 piece Material: Scouring pad Size: Shank diameter: 0.12 inch Grinding Head Diameter: 0.98 inch Note: this does not include other things, the color is based on the first picture, and the other pictures only show the effect Due differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!