Base 166 Call For Quote $1.85 Interior Base 3/8″ x 3-3/16″ View Product Catalog Base 166 quantity Add to list Want a discount? Become a member. SKU: 166 Category: Mouldings Description Description Mid Century Modern Bullnose base. H166 – Hemlock, 3/8″ x 3-3/16″ available in random lengths.