Amazon has DeWALT 1/4" Thick Grinding Wheel (4.5" Diameter, 7/8" Arbor) (DW4514) for $1.83
Shipping is free w/ Prime or on orders of $25+
Also Available:
- DEWALT 4-Inch by .045-Inch by 5/8-Inch A60T Abrasive Metal/INOX Cutting Wheel (DW8061) $1.72
- DEWALT Metal Grinding Wheel, 4-1/2-Inch x 1/8-Inch x 7/8-Inch (DWA4511) $2.52
- DEWALT T27 XP CER Fast Cut-Off Wheel, 4-1/2" x 0.045" x 7/8" (DWA8957F) $2.70
- DEWALT Flap Disc, Zirconia, 4-1/2-Inches x 7/8-Inches, 60-Grit (DW8308) $5.38