Universal Size : This Felt Polishing Flap Disc has 4-1/2" x 7/8" Arbor which is used on most 4-1/2 angle grinder; These can be flexibly applied to a variety of size/shape surface area. Premium Wool Material : Each Felt abrasive disc features 28 pcs quality compressed wool blocks for finer polish and longer life due to its natural durability.
