2. [Abrasive and Nylon Wire Material] This abrasive wire drawing wheel is made of high-density silicon carbide abrasive wire, which is high strength, high melting point, strong chemical and good wear . It can deal with the processing needs of different surfaces. 1. [Coarse and Fine Grinding] There are 3 different grit to choose: 320 grit, 80 grit, and 120 grit. According to the general rules, the abrasive wire grit number corresponds to the wire diameter. Brushes with different grit numbers can be according to needs to meet the needs of coarse grinding or fine grinding. 3. [Suitable for Different ] This wood drum burnishing brush can be installed on wire drawing machines and polishing machines. It has excellent wear resistance and high polishing efficiency, suitable for using on flat, curved, concave, convex or irregular surfaces., Weight: 0.90940683075 pounds, Manufacturer: NONDK