This assortment contains 2,540 pieces of the most popular sizes of Metric Class 8.8 lock washers, flat washers, hex cap screws, and hex nuts. A 36-compartment steel, gray bin is included for easy storage (bin dimensions 23 ¾ x 4 ¾ x 23 ¾ inches). Each part is individually bagged and printed with a clear description and quantity. Bin labels with part sizes come in each assortment. These labels go on the steel bin so you can organize accordingly.