Product Description Dewalt DW49202 6-1/2-Inch x 5/8-Inch-11 HP .020 Carbon Stringer Wire Wheel is a high performance accessory. This wire wheel has a 6-1/2-Inch diameter with a 5/8-Inch-11 arbor. The stringer bead carbon wire is .020-Inch in size, with a maximum Rpm of 9,000. From the Manufacturer Dewalt DW49202 6-1/2-Inch x 5/8-Inch-11 HP .020 Carbon Stringer Wire Wheel is a high performance accessory. This wire wheel has a 6-1/2-inch diameter with a 5/8-inch-11 arbor. The stringer bead carbon wire is .020-inch in size, with a maximum Rpm of 9,000.