High Quality: Our Hex Head Sheet Metal Screws Assortment Kits made of premium 410 stainless steel, has higher hardness, oxide coating, resistance and anti-rust and waterproof , can easily penetrate metal plates Sheet Metal Screws Sizes: One Set Included 460pcs self tapping screws, variety of lengths #8 #10 Most-used Size: #8 x 1/2'' 50pcs, #8 x 5/8'' 50pcs, #8 x 3/4'' 50pcs, #8 x 1'' 40pcs , #8 x 1-1/4'' 40pcs, #10 x 1/2'' 50pcs, #10 x 5/8'' 50pcs, #10 x 3/4'' 50pcs, #10 x 1'' 40pcs, #10 x 1-1/4'' 40pcs, various sizes to meet your all need sin life. Fine workmanship: precision cutting technology, Standard cross recess, the screws are sharp and clean conducive to penetrating all kinds of materials, smooth surface without burrs, durability and even by force. Widely Application: Metal self tapping stainless steel screws for metal, wood, rigid frames, gutter guards, trailer track, furniture, home decoration, assembly, manufacturing, etc. Sturdy Box: with individual compartments, Different sizes of Hex Head Sheet Metal Screws are stored separately, elaborate Tags Size Chart easy to recognize, easy storage, portability and use. 460PCS Black Self Drilling Screws Assortment Kit, 410 Stainless Steel Self Tapping Screws, #8#10 Hex Head Self Drilling Screws, Length 1/2" to 1-1/4''