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