Convenient 2 types and 5 sizes with shafts for commercial use precision felt buff 0.1 inch (3 mm) shaft set of 20; Can be used with micro rotor, air rutter, air drill, and air drill. ◆ Available in a wide variety of sizes so you can use it for any location, no other needed. No hassle and easy deburring work on narrower parts that have been done with files. It will greatly reduce your work time. It can also be used for removing rust from metal surfaces and for precision grinding. Set Contents: 5 bullet shapes, 5 sizes (3 x 4 3 x 5 3 x 6 3 x 8 3 x 10), 2 each total, 10 cylindrical shapes, 5 sizes (3 x 4 3 x 5 3 x 6 3 x 8 3 x 10), 2 of each (10) Total of 10 piece of industrial precision felt buffing set. All shaft diameter is 0.1 inch (3 Can be used with micro rotors, air rutors and air drills Suitable for polishing metal products, finishing grinding and mirroring There may be cracks on the case as it is imported Please be aware of this before purchasing.