https://www.dedeco.com/koolies-heatless-grinding-wheels-red-coarse-aluminum-oxide-size-5-7-8-x-1-8-50-bx/
KOOLIES Heatless Grinding Wheels - Red Coarse (Aluminum Oxide) Size 5 - 7/8" x 1/8" 50/Bx - Dedeco
Koolies "No Heat" Grinding Wheels to Remove | Smooth | Finish | Polish by Dedeco. Manufactured to professional specifications since 1937.
grinding wheelsaluminum oxidekooliesheatlessred