Google is your friend. Scroll down a ways to find parts list (abt page 9) . Don't know price. This will also show base sizes required, and assembly instructions. Jake K9WN https://static1.squarespace.com/static/5e67ee40cd78d320f664bccd/t/6009b990b0a6933264f80481/1611250065630/TBXCatalog2020Rev.pdf