Description: Suitable for most ferrous and non-ferrous metals, castings, welded joints, rivets, rust, stone, glass, ceramics and porcelain. 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 Sanding drums and sanding disc for rough shaping and smoothing wood and fiberglass. Polishing wheels for polishing metals and plastics. Accessories for working in metals, plastics, fiberglass and wood. Also includes collects and mandrels for use with the above accessories. Dressing stone for cleaning grinding wheels. Please note this item is new non-retail (bulk stock) contractor edition and is contained in plastic bags. Specification: Type: rotary tool kit Color: as picture shows Quantity: 350pcs Material: sandpaper, steel wool, etc Package Includes: 3x Grinding stone (type 1) 1/2-Inch diameter 3x Grinding stone (type 2) 3/8-Inch diameter tapered 3x Grinding stone (type 3) 3/8-Inch diameter 3x Grinding stone (type 4) 3/4-Inch diameter mounted disc 36x Cut off wheel (Red) 15/16-Inch 36x Cut off wheel (Black) 15/16-Inch 10x Felt polishing wheel (1/2-Inch) 4x Polishing Cone (3/8-Inch tapered) 6x Felt polishing wheel (1-Inch) 3x 1 1/4"Abrasive Wheel 1x Drum sander (1/2-Inch) 12x Sanding band (1/2-Inch) 6x Steel wheel (3/4-Inch) 3x Brass wheel (3/4-Inch) 6x Steel cup (1/2-Inch) 3x Brass cup (1/2-Inch) 1x Dressing Stone wheel 2x Colletts 2x Mandrel (standard type) 2x Mandrel (standard type) 195x Sanding discs 3/4-Inch 5x Diamond Grinding Disc (use with separate mandrel) 4x Drill Set 1x Polishing Compound