Completepush-thru brass-platedsocket, shell and cap that works with standard light bulb..Smallthreaded hole is 3/8" and works with standard steel pipe (1/8 IPS)..We combine with other items to save freight. $2.66 each.Shipping is $3.10 for 1 and $.38 for each additional piece.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.
