APPLICATIONS â?? Myard post protectors (also called Post Sleeve Guard Armor Shield) fit around any 4'x4' (actual 3.5'X3.5' wood metal vinyl) posts' base of deck fence mailbox little free library.  BENEFITS â?? (1) Prevent damage by landscaping or yard maintenance equipments and tools such as lawn mower string trimmer. No more paint chips scrapes cracking and erosion. (2) Paintable surface to match color ideas. (3) Good look and easy installation on existing posts.  INSTALLATION â?? Easy fast in 1 minute: (1) Assemble any 3 pieces as a 'C'. (2) Attach the 'C' to the base of post. (3) Insert the 4th piece for closure. (4) Fasten with included screws (Hardness class #12.9 + Dacromet black coating) at 4 sides.  IMPORTANT! Measure your posts before purchase. SIZE â?? Designed for 'nominal' 4'x4' posts but only fit actual 3.5'X3.5' posts. Height: 4'. Available in white black & bronze. 4 pieces of wall in ONE set....