

Mail Boss 7121, Black in- In-Ground Mounting Post, 43 x 4 x 4 inches, for Use with Mailbox, — Home & Garage Storage, Stackable Design
Key item features
- Durable Construction: Made from heavy-duty 10- and 14-gauge galvanized steel with a durable powder-coated finish, ensuring longevity and resistance to elements.
- Optimal Dimensions: Measures 43 x 4 x 4 inches, designed as an in-ground mounting post for Mail Boss locking mailboxes.
- Secure Installation: Engineered to be buried approximately 12 inches in the ground, aligning the mailbox's incoming mail slot with USPS specifications (41-45 inches above road surface).
- Reinforced Mounting: Can be securely fitted over a treated wooden 4x4 post for deeper installations and enhanced reinforcement with rebar stakes.
- Coordinated Aesthetic: Ships in a black finish, designed to coordinate with matching Mail Boss accessory pieces for a unified look.
- Versatile Application: Suitable for standard US residential and light-commercial installations, including new construction, full remodels, and individual unit replacements.
- Mailbox Compatibility: Specifically designed for use with any curbside Mail Boss locking mailbox, ensuring a perfect fit and secure attachment.
Specs
- Installation typeIn-Ground
- Finishdurable powder-coated
- FeaturesRust Resistant
- BrandMail
- Height5.5 in
- CompatibilityMail Boss
- Free shipping
Free 30-day returns
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About this item
Product details
The In Ground Steel Mounting Post by Mail Boss is made of heavy-duty galvanized 10- and 14-gauge galvanized steel with a durable powder-coated finish. Use this 43 in-ground post to mount any curbside Mail Boss locking mailbox. The In Ground Post should be buried approximately 12 in ground in order for the incoming mail slot of the Mail Boss mailboxes to be within USPS specifications of 41-45 above the road side surface. This post will fit securely over a treated wooden 4x4 post for deep installations and reinforcement with rebar stakes.
The In Ground Steel Mounting Post is made of heavy-duty 10- and 14-gauge galvanized steel with a durable powder-coated finish. Use this 43" in-ground post to mount any Mail Boss locking mailbox. The post will fit over a 4"x4" wood post for deep installations and reinforcement with rebar.
- PRODUCT IDENTIFICATION: Mail boss model 7121 storage in black — sourced direct from the manufacturer or authorized distributor. Designed for standard US residential install conditions across remodel, new-construction, and individual fixture replacement work.
- STORAGE INSTALLATION: Stackable, lidded storage container for home and garage organization — durable polypropylene resin construction. Built to meet common US residential install specs across new-construction and replacement work.
- BLACK FINISH: Ships in Black finish — coordinates with matching Mail Boss accessory pieces in the same finish family for a unified look across the install location. Designed for standard US residential install conditions across remodel, new-construction, and individual fixture replacement work.
- MAIL BOSS BRAND: Part of the Mail Boss residential product line — backed by manufacturer support and warranty terms as specified by the brand. Sourced direct from the manufacturer or authorized distributor. Designed for standard US residential install conditions across remodel, new-construction, and individual fixture replacement work.
- RESIDENTIAL & COMMERCIAL USE: Designed for standard US residential and light-commercial install conditions across new-construction, full remodel, and individual unit replacement work. Pairs with matching same-brand accessory items where applicable.
Specifications
Installation type
Finish
Features
Brand
Warranty
Warranty information
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