Safetop Nails Features: with EPDM washer and plastic caps 1) Sizes: 3.5x65 3.5x75 4.5x50 4.5x65 4.5x702) Material: Iron Steel 3) Finish: Galvanizing ,Zinc Plated ,Yellow Plated 4)Packing: 100sets /Polybag, 10 bags /ctn