This mandrel with reinforced screw can accommodate a polishing wheel or buff up to 5.0 mm thick, with use with a flexible shaft tool. The top of the screw diameter is 8.0mm (0.31"), and the screw post diameter is 1.75mm (0.07"). The shank diameter is standard 3/32" (2.3mm). Nickle plated steel
Made in India
(12 piece minimum)