Merit 3" Roloc Sanding Discs Snap-On Power-Lock Zirconia Aluminia 40 Grit 50pk

•Self-sharpening, zirconia alumina abrasive with grinding aid provides cooler cut, longer life on hard to grind materials.•Manufactured with special flexible cloth where the outer 3/8 In. is more flexible than the rest of the disc for use on contoured surfaces.•All QC cloth discs are designed to run on back-up pads that are rated at or above the RPM of the grinder.•For applications that require better/decorative finishes, please refer to non-woven quick change discs.•40 & 50 grit are recommended for medium stock removal and edge chamfering.•Ty TP/I fit snap-on/snap-off plastic attachment system.•Durable, Y-wt., 2-ply polyester backing stands up to demanding applications.•Tool-free, twist on and off fastening systems make fast work of disc changes to maximize productivity by minimizing downtime.