National Tree 50 Bulb Outdoor Clear Illuminate Light Set with White Wire-36-Inch Lead Wire with 9-Inch Spacing and 2 Spare Bulb (LS-881-50) 50 bulb clear light string featuring Base-Lock to secure bulbs in sockets String remains lit even if a bulb burns out. Set includes 2 spare bulbs and fuse. 37 ft. lighted length with 9" spacing between bulbs For indoor or outdoor use with white wire string color No end connect plug