3M Flap Disc Holder, T27, 88769, silver, 4 in x 5/8-11 in (101.6 mm x 295.28 mm) Holder for 7 in (177.8 mm) diameter 3M Abrasive Flap Discs and 6 in (152.4 mm) diameter 3M Clean and Strip Cup Wheel. Product Information Brand 3M Part # 7010364084 Origin Country USA Extra Product Information3M Flap Disc Holder includes all the necessary components to make abrasive-to-tool attachment secure: spacers, flanges, retainer nut, and an Allen wrenchThe spacers are optional and intended to accommodate different spindle lengths among common commercially available right angle grinders, while still placing the abrasive product of choice safely within the grinder guard.?Once all the components and the accompanying abrasive have been properly mounted, use an Allen wrench to twist the retainer nut and tighten the entire system, locking it into place3M Flap Disc Holders are commonly used on right angle grinders.Product Information3M Flap Disc Holder securely mounts 3M Flap Discs and Cup Wheels to a right angle grinderAccommodates 6 in (15.24 cm) or 7 in (17.78 cm) diameter discs and wheelsCustom Allen wrench helps tighten the retainer nutHolder includes spacers to accommodate mounting on various length spindlesMade for Type 27 abrasive discs and wheels