Dewalt DW8061B5 4 x 0.045 Inch Metal and Stainless Steel Cutting Wheels , 4 Inch by 0.045-Inch Thin .045-Inch wheel design for fast burr free cutting Proprietary aluminum oxide grain combination for aggressive cutting action Proprietary material mix ensures durable long life wheels 2 full sheets of fiberglass for durability and safety Fast burr free cutting Arbor Size: 5/8 inch,5 Pieces Per Pack