Hex Head Cap Screw Assortment, Metal Box, Container Material Metal, Stainless Steel, Black Oxide, Flat Washers Included (25) 1/2 in, (50) 7/16 in, Hex Nuts Included Hex Nuts: (25) 7/16 In.-14, (25) 1/2 In.-13, (25), Lock Nuts 7/16 In.-14, Lock Washers Included None, Screws/Bolts Included Hex Head Cap Screws: (10) 7/16 In.-14x1 in, (10) 7/16 In.-14x1 1/2 in, (10) 7/16 In.-14x2 in, (10) 1/2 In.-13x1 in, Hex, Number of Sizes 12, Drive External Hex, Hex, Number of Pieces 235, Inch, Hex Cap Screw