Our commercial grade stringers are perfect for building exteriors, large trees or custom sculptures. This 25′ green string has been pre cut and is ready to use. There is 12″ between the E17 sockets, for a total of 25 sockets. UL listed for indoor and outdoor use. 25 sockets 12″ spacing between sockets Male plug on one end, female plug on the other SPT1 20awg wire 5 amp fuse