*This has the 1/8 IPS hole (3/8"). Complete OFF/ON solid brass socket, shell, cap to wire your lamps. The cap has 3/8" threaded hole to screw onto standard 1/8 IPS steel pipe with set screw. These are rated 660W and 250V. We combine with other items to save freight. $6.18 each. Shipping is $3.38 plus $.38 for each additional socket. Combined shipping- to get cheapest shipping costs (when buying different items)please buy what you need (WITHOUT SHOPPING CART) and “request invoice” (BEFORE YOU PAY) so we can send invoice with lower shipping costs. SHOPPING CART DOES NOT SEEM TO WORK FOR COMBINED SHIPPING.
