Easy to use, work well for polishing. We designed our disc to last longer than wire and other abrasive discs,unique 3 dimensional flexible abrasive design provides for a uniform finish. Use forremoving , heavy cleaning, pre-polishing, texturing and polishing. Features - Color: Assorted Color. - Material: impeller. - Size: About 3.80X0.30X0.00cm/1.49X0.12X0.00inch. - Great for all types of detail work in both hard and delicate materials. - Accessories for fine detail work on jade, ceramic, glass, wood, hardened steel, cast iron, stainless steel. - Professional and practical design with beautiful appearance, easy to carry and use. - Made of materials, wear resistant and firm, and . - For woodworking, laboratory, jewelry & crafts, die & mold shops etc. Package list: 3 x 80# Radial Bristle Disc 3 x 120# Radial Bristle Disc 3 x 220# Radial Bristle Disc 3 x 400# Radial Bristle Disc 3 x 600# Radial Bristle Disc 3 x 1000# Radial Bristle Disc 3 x 2500# Radial Bristle Disc 3 x 3.0mm connecting rods