Brass-plated 3-way socket with 1/2" threaded hole that works with 1/4 IPS pipe (1/2" outside diameter). THIS WILL NOT WORK WITH STANDARD 1/8 IPS PIPE (3/8" outside diameter). Includes cap, shell, and interior 3-way socket that works with a 3-way bulb. We combine with other items to save shipping costs. $2.98 each.Shipping is $3.10 plus $.28 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.
