... Flexible grinding disc for polishing,grinding and derusting Stainless Steel, Alloy metal, efficient, durability, economical. Product name: ... flexible abrasive discProfessional using in Stainless Steel, Nickel, Aluminum, Tungsten, Magnetic alloy SteelFeatures:1.Durability, High efficiency and ... with MPA CertificateSize 4"x1/8x5/8" 4.5"x1/8x7/8" Flexible Grinding wheel for Stainless Steel, Alloy Steel