Superior Pads and Abrasives BP40 4 Inch Angle Grinder Backing Pad for Resin Fiber Disc with 5/8 Inch-11 Locking Nut & M10 x 1.25 Adapter
Superior Pads and Abrasives BP40 4" Angle Grinder Backing Pad for Resin Fiber Disc. Each pad is supplied with a 5/8"-11 metal locking nut & M10 x 1.25 Adapter.
Note: Disc is flat and firm except for where the nut screws down.