Silicon carbide abrasive with improved resin bond for exceptional finishes in both wet and dry applications and improved waterproof paper backing for better flexibility and wet-curl resistance. 80 and 120 grit comes on heavy weight paper (Tuf-Bak T461), 220 to 600 on light weight paper (Blue-Bak T414), and 1000 to 2500 on slightly lighter weight (Black-Ice T401).
Yield long life in rough, wet applications.
