Five Pieces | 4.5" Double Row Diamond Cup Grinding wheels
Threaded 5/8-11 or 7/8 - 5/8 Non threaded arbor 
Versatility: Suitable for various tasks including concrete grinding, coating removal, mastic, and epoxy removal.
Aggressive Grinding: Designed to provide effective material removal while maintaining smoothness.
Provides precise control over grinding depth and surface finish.
Great for Concrete, Stone, Epoxy removal, Mastics, Coating removal of all types.