Unfinished brass shade rest bushing. Threads are 3/8" outside diameter (1/8 IPS) and thethreaded hole is standard finial size (1/4-27). 9/16" across the head and 9/16" overall height.We combine with other items to save shipping costs. We sell for less in lots of 10- see our store.$2.38 each.Shipping is $2.60 plus $.10 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.