DEWALT DW8851B5 4-1/2-Inch by 0.45-Inch XP Metal Cutting Wheel, 7/8-Inch Arbor (5-Pack) Thin .045-Inch wheel design for fast burr free cutting Specially treated grain combination for aggressive cutting action Proprietary material mix ensures durable long life wheels 2 full sheets of fiberglass for durability and safety Extremely fast burr free cutting