3″ 36 Grit Quicklock Grinding Disc – Box of 25SEM Performance Abrasives are specifically designed for todays complex automotive repairs. The abrasive products incorporate precision grain technology, which provides fast cutting, long life, and a consistent finish on all substrates.Features:Full ceramic grainReinforced backing3″ Quicklock Grinding Disc25 per box Quick Guide (pdf)Brochure (pdf)