Material: scouring pad Rod diameter: 3 mm Stem length: 35 mm Brush diameter: 25 mm Total length: 45 mm Sand head thickness: 10 mm Color: brown, green, red, gray Grain: Brown 80, Green 150, Red 240, Gray 300 Quantity: 40 pieces in total (10 pieces per color) Compatibility: The end cap wheel bar diameter is 25mm. The polisher can connect and use common power tools such as cordless hand drills, rotary tools, electric grinders, micromotors, flexible shafts, etc. DURABLE AND REUSABLE: Polishing discs are made of high quality pads with good abrasion resistance and excellent polishing ability. Polishing kits are effective tools for polishing metallic and non-metallic materials. 4 Mixed Grits: Sanding accessories include 10 per grit for a total of 40, brown 80 grit, green 150 grit, red 240 grit, black 300 grit, for every polishing need. Multipurpose: wooden accessories are suitable for cleaning metal surfaces and non-metallic materials, grinding, dusting, deburring, rust polishing, deburring and surface polishing in small areas. Versatile Applications: T-shaped wire brush design helps deep clean corners, edges , crevices and other hard-to-reach areas. Polishing kits are suitable for various molds, glass processing, fine jade, ceramics, glass, wood, rebar, cast iron, stainless steel. Good quality product