If you are looking to illuminate your yard with C9 bulbs this Christmas season, then our C9 Socket and Wire Sets are the perfect way to string your bulbs! Our C9 String Lights are designed to work with our C9 LED bulbs. Either way, you will be satisfied with the quality of lights you will install for whatever holiday you are celebrating. Installation is made simple with our high quality clips, manufactured right here in the United States! You can customize your lights by choosing from either 18 inch, 15 inch, 12 inch, or 6 inch bulb spacing in green or white wire.