4-1/2" X 1/4" X 5/8"-11 A24-N Type 27 24-Grit Fast Cut Aluminum Oxide Grinding Wheel

41/2X1/4X5/8-11 T27 A24-N-BF - ~ Aluminum Oxide Grain with a Soft N-grade bond for fast stock removal.
~ Excellent ratio of stock removal/wheel loss.