3 1/2" (inside diameter) solid brass vase cap with 1" top and 3/8"hole to accomodate standard 1/8 IPS pipe. These aresatin brassfinishandlaquered. (We have 1 1/2" through 4" sizes listed on eCRATER in 1/2" increments, but if you need 1/8" or larger sizes- up to 9"-please contact us.) These are hand done by order- shipping is 1-2 business days. We combine with other items to save shipping costs. $5.23 each.Shipping is $3.22 for 1 and $.20 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.