2terminal3-way turn knob socket that works in conjunction with standard 3-way light bulb. It has bottom hickey that has 3/8" threaded hole that works with standard 1/8 IPS pipe. Cardboard cover is included. We combine with other items to save on shipping. $3.41 each.Shipping is $2.90 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” so we can send invoice with lower shipping costs.SHOPPING CART DOES NOT SEEM TO WORK FOR COMBINED SHIPPING.
