Diablo Hook & Lock 5-In. 100-Grit ROS Sanding Discs, 4-Pack is for moderate stock removal and sanding preparation before painting. Crafted from a premium ceramic blend, these sanding discs deliver fast material removal and long sanding life. They feature a 12-hole universal hole pattern for quick and easy alignment, fitting all 5 and 8 hole sanders. The hook and lock backing ensures a consistent and secure connection, making attachment and removal effortless. These discs are designed to last longer thanks to Clog-SHIELD™, which reduces pitch build-up and clogging, and ENDURA-BOND™, a grit-to-backing bond that enhances durability. Suitable for use with orbital and dual action sanders on wood, metal, and plastics. Model Number: DCD050100H04G