3M 15012 3M™ Unitized Wheel Mandrel, 990, silver, 1 3/4 in x 1/4 in x 1 in (44.45 mm x 6.35 mm x 25.4 mm), 3M Stock No. 7000028456

A small but mighty abrasive accessory, 3M™ Unitized Wheel Mandrels secures Scotch-Brite™ Unitized Wheels (sold separately) to a rotary tool with a ¼ in (0.64 cm) collet (such as a die grinder) for edge deburring and finishing.