Specifications: Shank diameter: 1/8" (3.175mm) Cutting piece: Cutting metal Sandpaper ring: Sanding wood Steel wire brush: Removing metal surface rust, etc. Grinding head: Polished metal surface rust, burr Application: Mainly for DIY carving, grinding, cutting, polishing/wood, metal, mold polishing. 222pcs set includes: 1/2" x 1/2" sanding belts 20pcs 1/2" x 1/4" sanding belts 20pcs grinding stones mounted 15pcs 1/2" x 1/2" mounted rubber mandrels for sanding belts 1 piece mounted rubber mandrels 1/2" x1/4" for sanding belts 1pcs 7/8” rubber polishing wheel 2pcs 3/4" pink alumina rim 6pcs 3/4" green alumina wheel 6pcs stainless steel brush (7/8", 3/4", 1/4") 3pcs nylon-Wire brush (7/8”, 3/4”, 1/4”) 3pcs copper wire brush 3pcs fiberglass 1 1/4” cutting discs 10pcs 1" soft polishing wool wheels 15pcs 1/2" soft polishing wool wheels 30pcs 3/8" hard polishing woolen-Points 10pcs 35pcs Silicone cutting discs 30pcs 1” aluminum oxide cutting wheels 5pcs Diamond grinders 6pcs HSS drill bits/drills 1pcs Wood storage box Package contents 1 x 222 Pcs Rotary Tool Accessories: Durable and practical, widely used in microelectronic equipment and other industries.Grinding stone, polishing wheel, sandpaper, nylon brush, steel wire brush, drill included.connecting rods etc. For self-polishing engravings, cutting, polishing/wood, cleaning metal surfaces, rust removal, grinding, dusting, deburring, removing mold residues.