This UltraPro porcelain lampholder is perfect for indoor lighting and can be easily mounted on either a 3-1/4” or 4” base.

The high-quality porcelain construction ensures that this lampholder is durable and long-lasting. Whether you’re looking to replace an existing lampholder or are starting a new lighting project from scratch, this UltraPro porcelain lampholder is an excellent choice.