50pc 3mm 1/8'' Shank Hardened Wool Felt Mandrel Mounted Polishing Buffing Accessories Set for Dremel Rotary Tools Size: 3mm(1/8'') shank; Reminder: this felt set is harder than normal ones, use with polishing paste Usage: for materials as steel, aluminum, brass, copper, wood polishing, burnishing, finishing... Wool fibers are highly compressed to produce versatile cleaning, polishing & buffing for materials Shape: egg ball, cylinder, bulb, bull-nose, wheel, circular cone, umbrella, for various usages Durable, ideal for polishing and buffing on plastics, jade stone, jewelry and other small parts