Makita Flap Disc D-74217 A fine-grit disk designed for surface preparation and final finishing. For a polished finish, controlled abrasion is made possible by zirconia grain structure. Perfect for preparing metal for coating or painting. Designed with a standard 22.23mm center hole and to work with all 115mm grinders. Retains accuracy and reliability even at high rotating speeds (maximum of 13,300 RPM). Grit / Z120 Bore (B) / 22.23 mm Grinding Disc Diameter / 115 mm