Our commercial grade stringers are perfect for building exteriors, large trees or custom sculptures. Create custom string lengths that come with these 1000 foot bulk reels. 18 gauge, SPT-1, green wire. C9 (E17) green sockets spaced 15" apart. Our commercial grade stringers are perfect for building exteriors, large trees or custom sculptures. Create custom string lengths that come with these 1000 foot bulk reels. 18 gauge, SPT-1, green wire. These traditional C9 (E17) green sockets are spaced 15" apart for a total of approximately 800 sockets. UL listed for indoor and outdoor use.
