Buy Novelty Lights commercial grade C9 string light set with green wire that is 100 feet long and will make your holiday decorating easy, bright and beautiful. Each set includes 125 C9 bulbs and 18 gauge wire stringer with 100 sockets that are spaced 12" apart. These C9 Christmas light sets have long lasting 3000 hour bulbs and are on a 18 gauge wire. All our C9 light strings use Novelty brand sockets. These durable and heavy duty light strings will provide you with years of maintenance free use. Each Set includes 25 extra replacement bulbs.