HANDY STRAPS are individually injection molded from the best plastic available for this application. Their superior impact strength is retained even at low temperatures. Their fully insulated plastic saddles prevent cable damage and provide the safest installation of electrical wire and cable. The nails and screws used in our straps are zinc plated, and a yellow chromate provides added corrosion protection. Made from high carbon wire and drive easily without splitting the wood.Sturgeon Bay Nail strap in white is used to secure 6/3-Inch non-metallic cable and other cable up to 9/16-Inch diameter. Strap is UL listed.