Teks Green Sharp Point Roofing Screws (100-pack) provide secure fastening with strong holding power, without the need to pre-drill. The green-painted head allows the screw to blend in with the green colored roofing panel. The self-sealing neoprene washer provides a waterproof seal. The premium finish provides exceptional corrosion resistance in harsh outdoor environments. Teks Roofing Screws are ideal for attaching roofing and wall panels to steel and wood framing.