Base 204 – Oak Call For Quote $2.24 Interior Base 7/16″ x 3-1/4″ View Product Catalog Base 204 - Oak quantity Add to list Want a discount? Become a member. SKU: 204 Category: Mouldings Description Description Mid Century Modern clamshell base. O204 – Oak, 7/16″ x 3-1/4″ available in random lengths.