Retaining Ring Assortment, Internal, Steel, Finish Phosphate, Number of Pieces 218, Number of Sizes 12, Includes (30) Each: HO-37x3/8 In., HO-50x1/2 In., (20) Each: HO-25x1/4 In., HO-31x5/16 In., HO-43x7/16 In., HO-56x9/16 In., HO-62x5/8 In., HO-75x3/4 In., (15) Each: HO-87x7/8 In., (10) Each: HO-81x13/16 In., HO-100x1 In., (3) Each: HO-125x1-1/4 In., and Plastic Container