Norton Bluefire Type 27 RightCut Cutoff Wheel, 4-1/2 in dia, 1/16 in Thick, 5/8 in -11 Arbor, 36 Grit (547-66252843223)
A blend of R&D advanced chemistry and shaped zirconia alumina abrasive and premium aluminum oxide grain. 2-3 times the life of aluminum oxide wheels. Noticeably longer life and faster cut rate. Less pressure required for first cut.