Diameter : 4 In Arbor/Shank Size : 5/8-11 Bristle Material : Carbon Steel Bristle Diameter : 0.02 In Speed Rating : 8500 Rpm Applicable Materials : Brass, Copper, Iron, Steel Suitable For : High-Speed Air And Electric Tools, Both Portable And Stationary Machines
Diameter : 1 In Bristle Material : Carbon Steel Bristle Diameter : 0.02 In Bristle Trim Length : 7/8 In Speed Rating : 22,000 Rpm Grit Grade : Extra Coarse
Drive Type : Torx Drive Size : T40 Shank Type : Hex Shank Size : 1/4 In Material : Hardened Carbon Steel Length : 2 In Suitable For : Drill Chuck Or Quick-Change Adapter
Drive Type : Torx Drive Size : #20 Shank Type : Hex Shank Size : 1/4 In Material : Hardened Carbon Steel Length : 1 In Suitable For : Drill Chuck Or Quick-Change Adapter