This 25 bin Storehouse® includes over 1000 assorted SAE and metric screws, nuts, bolts and washers. With 77 wood screws, 61 sheet metal screws, 135 machine screws, 16 machine bolts, 224 nuts, 217 washers, 181 split washers and 31 cotter pins in a range of SAE and metric sizes, you’ll be able to handle a variety of jobs. Each piece is rust-resistant and zinc plated for added durability. The Storehouse® set features transparent trays that lift out for easy selection and use.