THIS ABILITYONE ITEM IS EQUIVALENT TO THE FOLLOWING MODELS: CGW Abrasives 42304 PFERD 62178 Wendt 228113 infortrend GSA3025FRU1. Flap Disc 41/2 x 7/8 60 Grit Type 27 10/PG BRAND NAME: SKILCRAFT. COBRAND NAME: WENDT USA. Regular density general purpose flap disc, with fiberglass backing. Type 27, 41/2 with 7/8 arbor hole, 60 grit premium zirconia/alumina grain on cloth backing. Ten discs per package. Premium Zirconia Alumina abrasive material Variable pressure allows for a coarse or smooth finish without changing discs Cooler operations than other types of grinding disc Simultaneously grinds and finishes Manufactured in the U.S.A. SDS SHEETS: Yes. ENVIRONMENTAL SUSTAINABILITY (GREEN) INFO: PreConsumer Recycled Content: 0