Make a Christmas lighting display unique to your home or business exterior easily and safely this holiday season. This heavy duty 1,000-foot green wire stringer has 2,000 intermediate sockets spaced 6 inches apart for screw-in C9 bulbs. This SPT-1 stringer can be used with C9 incandescent, C9 retrofit LED, and G50 globe shaped bulbs. UL listed for indoor/outdoor use. There are no end plugs, so length is determined as needed. Let your imagination go wild with lighting design possibilities!