Features and Benefits: Backup pad designed for supporting 5 inch diameter x 7/8 center hole Fibre Discs on pistol grip sanders. Uses retainer nut supplied with the sander.; Supports 5" diameter x 7/8" center hole 3M Fibre Discs|Hard rubber construction works with fiber disc backing for consistent support|Reduces vibration for greater operator comfort|Designed to resist chunking for longer abrasive life|Compatible with a ran;
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