Superior Resistance to Rust & Corrosion When Compared to Common Stainless Kits Includes The 12 Most Popular/Common Sizes! All Fully Threaded Professional & Dependable Top Quality Type 316 Stainless Steel Machine Screw Assortment Kit Includes Only Top Grade, Type 316 Stainless Steel Machine Screws This assortment kit includes 12 of the most common sizes of type 316 stainless steel phillips flat head machine threaded screws. The sizes included are: 8-32 x 1/4", 8-32 x 1/2", 8-32 x 3/4", 8-32 x 1", 10-32 x 1/2", 10-32 x 3/4", 10-32 x 1", 10-32 x 1-1/2", 1/4-20 x 1/2", 1/4-20 x 3/4", 1/4-20 x 1" & 1/4-20 x 1-1/2" . A total of 210 top grade stainless fully threaded flat head machine screws all neatly stored in a durable (7"x4"x1-1/2") Tuff-Tainer storage box. Also every kit includes a valuable, custom made Marine Bolt Supply refrigerator magnet.