Item:  Waterproof Silicon Carbide Sanding Discs for Angle Grinder Application:  Wet or dry sanding for paints, primes, plastics and metallurgical, etc. Model No.:  LSS Type:  Paper Discs Diameter:  4", 5", 6", 7", 8", 9", 10", 12", etc. Grade:  40 to 5000 grit Color:  Black Abrasive Grain:  Silicon Carbide Backing Material:  C-wt Latex Paper Bonding:  Resin over Resin Coating State:  Close Coat Package:  2000 Pieces per Case for Waterproof Silicon Carbide Sanding Discs MOQ:  100 pieces Sample:  Available Payment Terms:  T/T, L/C, Western Union, PaypalFor automotive & marine sanding needs, GAA presents the widest assortment of high-quality sanding discs in the abrasive industry. PSA (sticky-back) , hook &loop (Velcro-backed) or even plain-backed sanding discs are readily available to provide the superior finish desired.