Outdoor Patio String Light Cords are sold in 25FT - 50FT Lengths and come with C7 or C9-sized sockets. Custom-length cords fit every size patio and backyard! Measure how many feet of lighting you need and we'll have the exact size cord for you. No need to hide the extra line and trip over the exposed plugs! * 12IN Spacing between each bulb * Commercial-grade 18 gauge wire * Indoor and Outdoor Decorative Lighting * Come with male and female plugs attached * Green Wire, White Wire, and Black Wire cords are available * Waterproof and Weather-Resistant Light Bulb Fixtures and Cords * UL Listed Product Details: Easy Installation - Screw-in bulb sockets perfect for candelabra-style light bulbs (C-7, E12 base or C-9, E17).