Washer Assortment, Dimensional Standards ASME B18.21.1, Finish Zinc Plated, Includes (10) Washers 1/2 x 1 1/2 in, (10) Washers 2 in, (25) Washers 1 1/2 in, (25) Washers 1 1/4 in, (25) Washers 1 5/8 in, (25) Washers 1 in, (25) Washers 1/4 x 1 in, (25) Washers 1/8 x 9/16 in, (25) Washers 2 in, (25) Washers 3/16 x 3/4 in, (25) Washers 3/8 x 1 1/4 in, (25) Washers 5/16 x 1 1/4 in, Metal Compartment Box with Lid, Largest Outside Diameter 2 in, Largest Screw Size 1/2 in, Material Steel