DEWALT 4 in. x 1/4 in. x 5/8 in. General Purpose Metal Grinding Wheel DW4419 - The Home Depot
Grinder Disc Holder for Organization - American Aftermarkets Metalworks
4.5" x 1/4 x 7/8" Metal Grinding Disc Type 27
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
Diablo® Tools 7" Metal Grinding Disc - Type 27 - Edge of Arlington Saw & Tool, Inc.