1. These Compounds are color coded for easy identification in a scale from coarse to fine. You can easily choose the thickness that suits you according to the color. It can emit cold light after polishing, and the brightness reaches the mirror level. Contains high anti-rust ingredients to extend the anti-rust life of the product. Durable, not easy to wear, help you save costs. 2. Used for drill with 1/4 inch shank. Our products come with a handle, so you don' need to buy it separately. Soak the grinding wheel in water for a while before use, which can increase the of the grinding products. After making sure the polishing wheel is firmly installed,start the machine. Start polishing machine at low speed and increase speed as you need. 3. It is suitable for the surface grinding and polishing of metal, jewellery, hardware, stainless steel, aluminum products, wood, plastic, ceramics, glass and watches. Equipped with four different hardness polishing wheels, you can choose according to the needs of the processed items. Three different colors of polishing wax make your choices more diversified. This set of products can meet your in work and life. 4. Our white flannelette polishing wheels are made of high-quality cotton cloth with soft surface, excellent polishing effect and high grinding efficiency. The edge of the cloth layer is processed by raising, the mirror polishing effect is good, and the workpiece will not be damaged. They are fastened with compact cotton thread, not easy to loosen during buffing. Compatible Devices: Bench Grinder Material:cotton colour:Photo Color Package Contents: 1 * White Cotton Polishing Wheels (50Ply) 1 * Yellow Cotton Polishing Wheels(36Ply) 1 * Flannel Polishing Wheels(30Ply) 1 * Polishing Wheels 1 * Brown Polishing Compound 1 * Green Polishing Compound 1 * White Polishing Compound 1 * 1/4 inch Shank for Drill Only he above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.