What You Get - Includes 6 packs of felt flap disc(4-1/2" x 7/8"). The size of each wool block is 1” x 13/16” x 1/4”. Each Felt abrasive disc features 27pcs quality compressed wool blocks for finer polish and longer life due to its natural durability. Suitable for stainless steel, aluminum, automobile processing, non-ferrous metal processing