3M AM36850 Microfinishing Film Belt, 1″ W x 30″ L, Silicon Carbide, 20 Grit-(Each)

Micron-graded silicon carbide mineral cuts sharp and fast while producing extremely consistent, fine finishes
High-strength 5 mil polyester backing won’t yield or deflect when run, contributing to an aggressive cut
May be used on metal, plastic, wood and various other substrates
Open coat construction reduces loading to maintain a consistent, sharp cut and extends disc life for greater productivity