36 Grit fiber disc are best for heavy removal of coating and rust
For use with a 5 In. right angle grinder (RAG) with a fiber disc backer pad
Made with a tough aluminum oxide grain which is recommended by professionals for sanding a wide variety of surfaces
The heavy duty fiber backing holds up with even the toughest jobs
The double resin bonding system resists heat and humidity, extending the life of the fiber disc
The fiber disc has a 5 in. diameter with a 7/8 In. center hole