Solid brass knurled turn knob with 4-36 threaded hole (standard socket thread)to turn your lamp off/on.3/4" long- the head is 1/2". We sell for less in lots of 20, but you'd need to buy from that listing.We combine with other items to save shipping costs. $1.96 each.Shipping is $2.90plus $.05 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.
