NANTUCKET ROUND OAK BASE FOR 6″ ROUND (3 1/2″): Our Nantucket Lightship Basket bases are all domestically made with a fine oak wood. Hand sanded, and drilled and slotted, these bases ensure a great foundation to your historical masterpiece. Custom bases are available in any wood and for any mold. May mix any size or shape Nantucket base to take advantage of our quantity discounts. This 3 1/2″ round base fits our 6″ round hollow mold.