Complete 150 pieces rotary accessories kit includes everything you need for cutting, grinding, carving, engraving, shaping, sanding, cleaning, polishing and much more. This set features many types of rotary tool accessory you could want. If you have a rotary / polishing tool, this will be a great additional item to go along your tools.Specifications:Package Weight: 130g / 4.59ouncesPackage Size: 150 * 100 * 30mm / 5.91 * 3.94 * 1.18inPacking List:3 * Grinding Stone (type 1) 1/2-Inch Diameter3 * Grinding Stone (type 2) 3/8-Inch Diameter Tapered3 * Grinding Stone (type 3) 3/8-Inch Diameter3 * Grinding Sstone (type 4) 3/4-Inch Diameter Mounted Disc36 * Cut-off Wheel (Red) 15/16-Inch36 * Cut-off Wheel (Black) 15/16-Inch10 * Felt Polishing Wheel (1/2-Inch)4 * Polishing Cone (3/8-Inch tapered)6 * Felt Polishing Wheel (1-Inch) 1 * 1" Abrasive Wheel (Red)1 * 1" Abrasive Wheel (Green)1 * 1" Abrasive Wheel (Brown)1 * 1" Abrasive Wheel (Black) 2 * Mandrel (screw type) 2 * Mandrel (standard type) 6 * Steel Wheel (3/4-Inch) 3 * Brass Wheel (3/4-Inch) 6 * Steel Cup (1/2-Inch) 3 * Brass Cup (1/2-Inch) 1 * Dressing Stone Wheel 2 * Colletts17 * Sanding discs 15/16-Inch