Features： 1、Made of material, durable and practical in use 2、Widely used in the micro- electronic devices and other industries 347pcs rotary tool kit fits your different polishing and grinding needs 4、Great for all types of detail work in both hard and delicate materials 5、Suitable for metal surface cleaning, derusting, grinding, sanding, deburring, polishing, stripping residue etc. Specification： Features: 1. Made of material, durable and practical in use. 2. Widely used in the micro- electronic devices and other industries. 3. 347pcs rotary tool kit fits your different polishing and grinding needs. 4. Great for all types of detail work in both hard and delicate materials. 5. Suitable for metal surface cleaning, derusting, grinding, sanding, deburring, polishing, stripping residue etc. Specification: Item Type: Rotary Tool Kit Quantity: 347pcs Condition: 100% Brand New Weight: Approx. 460g / 16.2 oz Package list: 73 * Cut off wheel (Red) 15/16 inch 200 * Cut off wheel (Black) 15/16 inch 10 * Felt polishing wheel (1/2 inch) 4 * Polishing Cone (3/8 inch tapered) 6 * Felt polishing wheel (1 inch) 2 * Abrasive Wheel (Red) 1 inch 2 * Abrasive Wheel (Green) 1 inch 3 * Grinding stone (type 1) 1/2 inch diameter 3 * Grinding stone (type 2) 3/8 inch diameter tapered 3 * Grinding stone (type 3) 3/8 inch diameter 3 * Grinding stone (type 4) 3/4 inch diameter mounted disc 6 * Steel wheel (3/4 inch) 3 * Brass wheel (3/4 inch) 6 * Steel cup (1/2 inch) 3 * Brass cup (1/2 inch) 12 * Sanding band (1/2 inch) 2 * Mandrel (standard type) 2 * Mandrel (standard type) 2 * Collets 1 * Drum sander (1/2 inch) 1 * Dressing Stone wheel Package List：