... 7" Resin abrasive disc for cutting metal 1.first grade material 2.sharply,durabile,good balance 3.80m/s ... ,cutting/polishing 7" Resin abrasive disc for cutting metal1. ... half of the nets outside .3.General purpose disc for all metal plishing applications, especially for shipyard ... ,etc.4.sharply, high efficiency and good balance , durabile when working.5.80m/s with 2 ...