Hardware Grab Bag This grab bag contains 400 assorted types of screws, nuts, washers, lock washers and spacers of various sizes. Sizes include 2-56, 4-40, 6-32, and 8-32. Material composition will vary between plastic, steel, brass, and aluminum. The approximate weight of the grab bag is 1.4 pounds (lbs.). Quantity: 400 pcs. (approx.)