Shop Kit Assortment, Finish -, Number of Sizes 18, Number of Pieces 270, Material -, System of Measurement Inch, Includes Woodruff Keys 15 Each SAE #212 3/32 x 3/8, #2 3/32 x 1/2, #3 1/8 x 1/2, #9 3/16 x 3/4, 25 Each #5 1/8 x 5/8, #6 5/32 x 5/8, Spring Pins Zinc Plated 15 Each 1/8 x 7/8, 1/8 x 1 1/2, 5/32 x 1, 3/16 x 1, 10 Each 3/16 x 1 1/2, 7/32 x 1 1/4, External Ret-Rings 15 Each SH-37 3/8, SH-50 1/2, SH-62 5/8, SH-75 3/4, E-Rings 10 Each E-25 1/4, E-37 3/8