Glazed standard-based porcelain double lamp part socket with attaching metal cap with side set screw. The metal cap has 3/8" hole to accomodate standard steel pipe works with 1/8 IPS pipe. Rated 660W, 250V. We sell for less in lots of 10- see our store. We can combine with other items to save shipping. $5.20 each. Shipping is $3.38 plus $.78 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.
