Find the best value on Deck Post Caps, Post Covers, Post Skirts, Post Sleeves, and other post accessories from The Deck Store! This section is the area where we keep all the post caps, post sleeves, finials. newel posts, etc. If the product you're looking for connects, attaches to, or is used with deck posts you will likely find it in this section. Is there a part you're looking for and can't find? Try the search function on the top right of the page, if that doesn't produce the result you want contact us we will do our best to help you find the product you're looking for. We are the deck product experts. Minnesota's most senior licensed deck builders License Number CR5457.