ITEM NAME:40PCS Abrasive Wheel Buffing Polishing Wheel Set 22- 25mm For Rotary Tool mht Descriptio n Specification: Material: nylon + alloy Color: polychromatic Size: grinding head diameter 25MM, grinding head handle diameter 3.0mm Product list: 10 yellow, green, red and black grinding heads (40 in total) Feature: *40pcs Polishing Wheel Set is perfect for metal and nonmetal materials polishing. *Ideal for cleaning, derusting, grinding, dusting, deburring, polishing, stripping residue. *Widely used in metallurgy, machinery, shipbuilding, light industry, leather, wood, building materials, textile and other industries. *Item.40Pcs 25mm Abrasive Grinding Buffing Polishing Wheel. Ideal for cleaning, derusting, grinding, dusting, deburring, polishing, stripping residue. We'd like to settle any problem in a friendly manner.