Bonded Abrasives Accessories For use with Type 27 wheels on 7″ and 9″ 5/8-11 spindle grinders Alternative to a throwaway hub Reusable 5/8-11 adaptor for use on Type 1/ Type 41 and Type 27/ Type 42 reinforced wheels with a 7/8″ arbor, a max. diameter of 5″ and a wheel thickness of .045 to 1/8″ For use with Challenger II™ flexible grinding / blending wheels Set includes 5/8-11 nut and pad For use with Type 1/Type 41 cut-off wheels Reduces wheel arbor size For use with Type 1/ Type 41 Thin High Speed Cut-Off Wheels up to 3″ diameter only Adjustable wrench for tightening and loosening center nuts Fits all center nuts For use with Vitrified Bonded Floor Rubs Skin packaged in quantities of 2 per package