This type 18-8 stainless sealing washer assortment kit includes all 8 sizes. The sizes included are #6, #8, #10, #12, 1/4", 5/16", 3/8" and 1/2". A total of 190 quality type 18-8 stainless neoprene bonded sealing washers all neatly stored in a durable (7"x4"x1-1/2") Tuff-Tainer storage box.