3M Superbuff III cleaning fur D=203mm.
A whoolen cleaning disc (both sides are usable), which manufacterers, together with the 3M Finesse-it polish [09639], uses for a last finish to a glider's vernish (superb results!).

The Superbuff III has an internal screw thread 5/8".
When a polishing machine has a connection of M14 external, the 3M adaptor 05710 is necessary.