Pack of 20 rotary cotton polishing pads for 3mm mandrels

[Material] Wool felt, good performance, good finish, strong and durable. Note: The polishing pad mandrel is 3 mm. 3 mm mandrel polishing pads are compatible with most rotary tools, polishers, hand drills, etc. Contents: 20 polishing pads. Multiple uses: Makes polished products clean and shiny, ideal for jewelry, watches, various molds, glass, medical equipment, metal surfaces, etc. [Installation] Installs on the electric grinder. Suitable for wood carving, jade carving, ivory carving, etc.