Product Includes: 252-Piece Sanding Disc Kit [Perfect Combination] The sanding discs come in 2 grit sizes (80 grit and 120 grit) and 3 diameters (1/2 inch, 3/8 inch, and 1/4 inch), with 24 discs of each grit and size. Universal Sanding Spindle: 6 reusable sanding spindles, available in 3 diameters (1/2 inch, 3/8 inch, and 1/4 inch), 2 of each size. Standard size, suitable for all power tools, such as Dremel. [Easy Installation] The different sized rubber sanding discs can be used as sleeves for different diameter spindles, making installation and use easy. Note: Sanding particles may fly off at high speeds; wear safety goggles to protect your eyes. [Wide Application] This standard-size sanding disc kit is widely used for sanding various curved surfaces and edges, suitable for both soft and hard materials, such as DIY, woodworking, crafts, and other DIY projects. Product List: 24 x 1/2 inch sanding discs (80 grit); 24 x 1/2 inch sanding discs (120 grit); 24 x 3/8 inch sanding discs (80 grit); 24 x 3/8 inch sanding discs (120 grit); 24 x 1/4 inch sanding discs (80 grit); 24 x 1/4 inch sanding discs (120 grit); 2 x 1/2 inch sanding spindles; 2 x 3/8 inch sanding spindles; 2 x 1/4 inch sanding spindles. Note: Sanding particles may fly off at high speeds; wear safety goggles to protect your eyes. Sanding discs may stick to metal surfaces; replace the discs frequently for better sanding results. This product is not edible; keep out of reach of children under 3 years old. Welcome to purchase!