Stadea 6" buffing and polishing wheels for bench grinder are ideal for stainless steel, chrome and other metals polishing. Excellent buffing and polishing for wood metal stone brass, aluminum, bronze. The 5/8" arbor hole fits most of the bench grinder bench Buffers or bench polisher .The treated spiral sewn buffing polishing wheels include two pieces of 6 inch 90 ply polishing buffing wheels. It has 5/8" arbor.