Porcelain2" tall candelabra socket with cardboard insulator (not shown). The steel hickeyhas 3/8" threaded hole that works with standard 1/8 IPS pipe.Rated 75W 125V.We combine with other items to save freight. We sell for less in lots of 20- see our store.$2.16 each.Shipping is $2.60 plus $.14 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.a;06d2,RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Fuk.rp73%28%3Ea%3B06d2-15003a8e82c-0xff-->
