4-part phenolic socket for medium-based ("regular")light bulbs with threads and screw-ring to hold lampshade or glass inplace. 2 dark brown shells screw together and interiorsocket isoff/onpull-chainthat works with aregular light bulb. Thismeasures 2 7/8" tallwith 3/8" bottom hole that works withstandard 1/8 IPS pipe. Rated 250W-250V. We combine with other items to save shipping. $3.49 each.Shipping is $3.22 plus $.42 for each additional piece.Combined shipping- to get cheapest shipping costs (when buying different items)please buy what you need and “request invoice” so we can send invoice with lower shipping costs. "How to Request Invoice when using shopping cart"---From your eCRATER cart, near the top of the page, move your mouse curser over our name “lamppartsguy” and a drop down menu will appear with the option to request invoice from seller.
