Washer Assortment, Dimensional Standards ASME B18.21.1, Finish Zinc-Plated, Includes (10) 1/4 in x 1 1/4 in Washers, (10) 3/16 in x 1 1/4 in Washers, (10) 3/8 in x 1 1/2 in Washers, (10) 3/8 in x 1 1/4 in Washers, (10) 5/16 in x 1 1/2 in Washers, (10) 5/16 in x 1 1/4 in Washers, (12) 1/4 in x 1 in Washers, (15) 3/16 in x 1 in Washers, (20) 1/8 in x 3/4 in Washers, (20) 5/32 in x 7/8 in Washers, (8) 1/4 in x 1 1/2 in Washers, (8) 5/16 in x 1 5/8 in Washers, Plastic Hanging Pak