The Handy Post for 4 (mailboxes not included) is constructed of heavy duty, maintenance-free and durable PVC (Vinyl) and comes with a Lifetime Warranty against peeling, flaking, blistering, corroding, rotting and manufacturing defects. It is designed to fit over an existing or new wood 4x4 (actual 3.5 x3.5 ) post, or can fit over many no-dig supports of similar dimensions. If your mailboxes are secured to any type of wood 4x4 configuration, you can modify it by cutting it to a straight up 52 height or less to accept The Handy Post for 4. The Handy Post for 4 is designed to accommodate four different mailboxes up to 10.5 wide each on one post. Each arm extends 25 from the vertical upright and will accommodate up to 50lbs with no sag. This aesthetically pleasing, economical product will enhance any housing, business or neighborhood property. The Handy Post for 4 will add character to any setting. Conveniently packaged with stainless steel hardware and installation instructions included. MAILBOXES NOT INCLUDED Maintenance Free and Durable PVC (Vinyl) with Lifetime Warranty Fits over existing or new wood 4x4 (actual 3.5 x3.5 ) post or many no-dig supports Simple to install and will NEVER lose its white color Each arm extends out 25 from the upright Heavy duty PVC (vinyl) with the thickest material available UPC 860441001628 ASIN B07B5MZ722 Color White Brand Name Handy Post Style Name Traditional Manufacturer Cook Products Model Number HP-1W4 Material Type PVC (Vinyl) Mounting Type Post Mount Security Features Hopper & Baffle Manufacturer Part Number HP-1W4 Item Dimensions D x W x H 25 D x 54 W x 54 H Manufacturer Warranty Description Limited lifetime warranty against peeling, flaking, rotting, fading and manufacturing defects.