3M Stikit Green Corps abrasive discs excel at filler shaping, metal shaping, paint removal, and rust removal on metal, plastic and fiberglass surfaces. Green Corps products are made with a blend of abrasives including 3M's high-performance, ceramic/aluminum-oxide grain which provides increased abrasive life and a faster cut rate. Heavyweight E-backing adds durability. Pressure-sensitive adhesive lets you make quick and easy disc changes between grades or applications. Open coat construction reduces loading on fresh filler. Discs are for dry sanding only. 8" diameter. High-performance grain delivers fast cut rate Adhesive lets you make quick and easy changes | Stikit Green Corps Abrasive Paper Discs, Grade 80D