Feature:* These nylon fiber abrasive wheels are durable for long-term use* With advanced grinding technology, it has very flexible and high grinding efficiency* Nylon fiber wheels can polish grooves, flat or curved surface and make their surface smooth* Suitable suitable for polishing, buffing and grinding metal, glass, jewelry, stainless steel etc. Specification:* Color: randow* Material: Nylon, plastic* Outer diameter: 25mm/1 inch* Grit:240/320/400/600/1000/ 1500#* Rod Diameter: 2.35mm* Quantity: 7pcs/set Package including: 6 * Nylon Polishing Discs 1 * Extension Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.