SizeOne SizeColorSilverMaterial304 Stainless SteelBrandJROUTHItem Dimensions LxWxH7.8 x 5.4 x 1.5 inchesAbout this item【STAINLESS STEEL MACHINE SCREWS】1200PCS assorted nuts bolts and flat washers are made of stainless steel 304, high-strength hardware with decent corrosion resistance. Perfect for general uses, even use it below the water line.No rust for 50+ years，Passivated Surface，reinforced rust resistance, please feel free to use it in humid and high temperature environments.【PHILLIPS DRIVE & SAE SIZES】16 most common selections of phill