New Trex 4-in x 4-in 39" Gravel Path Composite Deck Post Sleeve. The Trex 39 " Composite railing post sleeve fits over a 4 x 4 pressure-treated post or a post surface mount • This Trex railing component is made of a high-performance composite material that won't warp, rot, split or splinter • Cleans easily with soap and water • Trex products install easily with common tools; no sanding, staining or painting required
eBay