![Silicon Polishing Wheel (Knife Edge) - 1200 Grit (597151186978)](http://perrinwatchparts.com/cdn/shop/files/10-01381-300_a8c4863b-7f53-454e-9704-4c10aee7b118_300x300.jpg?v=1687416700)
7/8" Silicon Polishing Wheel (Knife Edge) - 1200 Grit, box of 100 Premium silicon-carbide wheels formulated to provide the smoothest finish without the use of messy polishing compounds. This wheel comes in 2 sizes; 5/8" and 7/8". Edge is knife. Ultra fine, soft and flexible for a super high lustre; final finish, medium lustre or smooth matte finish. Operating speed range is 5000 to 10,000 rpm.