Up for sale box of 25 CGW Quickie Cut™ Premium High-Speed Reinforced Cut-Off Wheels 4-1/2 X .045 X 7/8 A46NBF, Type-27. Thicker (.045), rigid wheel design for fast cutting and long life at 13300 R.P.M. Soft N-grade bond for easy grinding and cutting of welding seams and cast iron skin. Recommended for Aluminum, Copper, Zinc and other soft materials.