286pcs 410 Stainless Steel Hexagon Flange Self-drilling Tapping Screws KitMaterial: High quality 401 stainless steel, rust resistant, good toughness, ultra hard,abrasive resistance and High temperature resistance ensure long service life time. This hardware kit can be used in wood and wet environments,great for both indoor and outdoor use. Quantity: 285pcs Screws + 1 pcs Spanner( totle 286pcs) Size: 10 sizes (#4. 8*32mm,#4. 8*25mm,#4. 8*19mm,#4. 8*16mm,#4. 8*38mm,#4. 8*13mm,#5. 5*38mm,#5. 5*32mm,#5. 5*25mm,#5. 5*19mm).