3m High Performance Back Up Pads Come With Both Metric and Imperial Threaded Retaining Systems. An Extended Retaining Nut Should be Used in Conjunction With Scotch-Brite Clean and Strip Discs Being Mounted to Metric Threaded Tools.

Brand:3M Scotch-Brite
For Disc Type:Scotch-Brite Clean and Strip Disc;Fibre Disc
Pad Diameter:125 mm
Thread Size:M14 x 2.0;5/8 in - 11
Centre Hole Diameter:22 mm
Pad Backing Attachment:Threaded Arbor
Density Grade:Hard