C9 instrumentation candent Christmas Replacement Bulbs - alfresco Lighting - String Lights - Christmas Lights25 Pack of tralatitious C9 instrumentation Christmas Lights glimmery and vivacious coloring that will provide years of use for your Christmas insufficient display. These 7-watt, 120-volt bulbs with second base will for 3,000 hours and have Nickel-coated bases to prevent corrosion. These instrumentation C9 replacement lamps can be internal or exterior to decorate roof lines, patios, Christmas Tree 's, and walkways. Intermediate base -LRB- C9/E17 -RRB- 3 '' long and 1 1/4 '' comprehensive. These bulbs screw into our C9 stringers -LRB- 25 ' & 100 ' -RRB-, our E17 thick Duty -LRB- 25 ', 100 ' & 330 ' -RRB-, our trade grade magnitude 1,000 ' C9 Spool as well as our vino 250 ' Twisted Wire E17 thick Duty Spools .25 Pack of instrumentation C9 7 Watt Bulbs3 ,000 Hour long Life Lamps120 Volt7 Watt BulbsIndoor and alfresco UseIntermediate BaseNickel Coated E17/C9 BaseREPLACEMENT BULBS ONLY - C9 STRINGER SOLD SEPARATELYYour satisfaction is our # 1 priority and if you have any issues at all please us and we would be more than riant to assist.Ordering the improper size bulb is familiar so please reach out with any bulb size questions.