15+3 Hard 3/8" Felt Polishing Tip for Dremel 422 Rotary Tool Mandrel 401 1/8" Suit for Dremel 3000 4000 8220-2/28 395 7700-1/15 4000 3/34 Chicago Electric, Milwaukeen Nextec 1/8" Shank Hobbyy Clean Polish 15 Felt Polishing Tip plus 3 mandrel (1/8") 15-Felt: 3/8" in dia and 3/4" tall, hard, wool 3-Mandrel 1/8" Great addition to your Hobby Craft tool kit. Manufacturer: N/A