Grinding Disc, Stainless Steel Grinding wheel - 7" x 1/4" x 7/8" - T27 | eBay
Grinding Disc, Stainless Steel Grinding wheels - 4-1/2" x 1/4" x 7/8" - T27 - (5 PACK) - Walmart.com
DIABLO 4-1/2 in. 40-Grit Steel Demon Corner-Edge Grinding and Polishing Flap Disc with Type 29 Conical Design DCC045040N01F - The Home Depot
Grinding Wheel for Grinders,Grinding Wheel for Metal ,Aggressive Grinding for Metal (25 Pack, 4.5 Inch,1/4" Thick, 7/9"): Amazon.com: Industrial & Scientific