{"product_id":"mail-boss-7145-2-box-spreader-bar-granite-double-mailbox-adapter","title":"Mail Boss 7145 2 Box Spreader Bar - Granite double mailbox adapter","description":"\u003cp\u003eIn this review the Mail Boss 7145 2 Box Spreader Bar is evaluated for homeowners and property managers who need a sturdy way to mount two curbside locking mailboxes on a single post. The bottom line: this spreader bar is a straightforward, heavy-duty solution that pairs neatly with Mail Boss mounting posts and many existing posts, providing a secure, low-profile way to add a second mailbox. It is best for users who want reliable construction and a clean look rather than a full mounting kit, since this listing is the spreader bar only.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Built from 12-gauge electrogalvanized welded steel to give a rigid, corrosion-resistant support for two mailboxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Durable powder-coated finish improves weather resistance and maintains a neat granite appearance over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed to work with Mail Boss brand curbside mailboxes including Mail Boss, Mail Manager, and Package Master models for a predictable fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Includes the hardware needed to attach to a Mail Boss mounting post so most installs are quick when used with matching posts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace saving:\u003c\/strong\u003e Allows two locking mailboxes on one post, saving yard space and providing a tidy, multi-unit setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatility:\u003c\/strong\u003e Also compatible with most existing posts, though additional hardware may be required for wooden or non-Mail Boss posts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe 7145 spreader bar is ideal for homeowners, landlords, and small complexes that already use Mail Boss mailboxes and want to add a second box without replacing the post. It suits anyone who values \u003cstrong\u003ebuild quality\u003c\/strong\u003e and a clean, uniform appearance across paired mailboxes.\u003c\/p\u003e\n\u003cp\u003eIt is not a complete mounting kit: buyers who need replacement mailboxes or a mounting post should look elsewhere, and those using unconventional posts should be prepared to buy extra hardware to complete the install.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSturdy 12-gauge welded steel construction offers long-term rigidity and durability.\u003c\/li\u003e\n\u003cli\u003ePowder-coated granite finish resists weathering and looks neat next to common mailbox colors.\u003c\/li\u003e\n\u003cli\u003eSimple installation when paired with a Mail Boss mounting post, with included hardware for that use.\u003c\/li\u003e\n\u003cli\u003eCompatible with several Mail Boss models for a predictable fit and function.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSold as the spreader bar only; mailboxes and posts are not included, so additional purchases may be required.\u003c\/li\u003e\n\u003cli\u003eMixed customer feedback about the included hardware means those using wooden or nonstandard posts may need extra fasteners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e12-gauge electrogalvanized welded steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003ePowder-coated granite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eMail Boss, Mail Manager, Package Master models; most existing posts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eHardware for Mail Boss mounting post\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSpreader bar only (mailboxes and posts sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurpose\u003c\/td\u003e\n\u003ctd\u003eMount two curbside locking mailboxes on one post\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor those who already own Mail Boss mailboxes or matching mounting posts, the 7145 spreader bar is a sensible, well-made way to add a second locking mailbox with minimal fuss. The heavy steel construction and powder-coated finish justify the modest price, though buyers should remember that additional hardware or a post may be needed for nonstandard installations.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this include the mailboxes?\u003c\/strong\u003e\u003cbr\u003eNo. This listing is the spreader bar only; the actual mailboxes and mounting post are sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fit a wooden post?\u003c\/strong\u003e\u003cbr\u003eIt can work with wooden or other non-Mail Boss posts but additional fasteners or hardware may be required to complete the install.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich mailbox models are supported?\u003c\/strong\u003e\u003cbr\u003eIt is designed for Mail Boss curbside models including Mail Boss, Mail Manager, and Package Master, and fits most existing posts when properly adapted.\u003c\/p\u003e","brand":"Mail Boss","offers":[{"title":"Default Title","offer_id":48747958960347,"sku":"B00442CZH6","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81kqpPPPyHL._AC_SL1500.jpg?v=1778862795","url":"https:\/\/gearmusthave.com\/products\/mail-boss-7145-2-box-spreader-bar-granite-double-mailbox-adapter","provider":"GearMustHave","version":"1.0","type":"link"}