POLIROLL cartridge rolls are suited for work in hard-to-reach places.
The abrasive grain is embedded in the resinoid coating on the sturdy backing material, which achieves the best possible abrasive performance. They consist of spirally wound coated abrasives.3/8" x 1" Cartridge Roll, 1/8" AH - Untapered Type, Aluminum Oxide 120 Grit For universal grinding work on metals and other materials..