3M™ Stikit™ Green Corps™ abrasive disc 251U strips paint from metal as well as shapes and sands plastic filler. Green Corps™ abrasives are built on E weight backing to make them extremely durable for sanding paint, metal or fiberglass. Ceramic aluminum oxide mineral blend delivers a fast cut and long life. 3M™ Stikit™ Green Corps™ abrasive disc 251U excels at deburring, filler shaping, metal shaping, paint removal and rust removal on automotive bodies. Green Corps™ products are made with a blend of abrasives including 3M™ high performance ceramic abrasive grain which provides increased abrasive life and a faster cut rate. Use these discs on the following surfaces: clear coats, fiberglass, filler, metal, paint and plastic. Open coat construction reduces loading on fresh filler.