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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
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Description
Black Steel Through the Wall Drop Box with Adjustable Chute Mail ReceptacleProviding a safe receptacle for off hour receipt of items, the AdirOffice Through the Wall Black Drop Box Safe adds to the security of your business. Built to last, this drop box safe is expertly crafted using all steel construction, furnished in a powder coated, scratch resistant finish to supply a durable, attractive appearance. The drop box is designed with an anti fishing drop chute to prevent theft, along with a piano hinged 8. 5 in. x 10 in.
Providing a safe receptacle for off-hour receipt of items, the AdirOffice Through-the-Wall Black Drop Box Safe adds to the security of your business. Built to last, this drop box safe is expertly crafted using all steel construction, furnished in a powder-coated, scratch-resistant finish to supply a durable, attractive appearance. The drop box is designed with an anti-fishing drop chute to prevent theft, along with a piano-hinged 8.5 in. x 10 in. door to protect against prying. The 16 in. H x 12 in. W x 6 in. D drop box offers ample storage space, perfect for housing important documents, cash, checks and letters. The box comes with mounting hardware and two (2) keys.- Safe receptacle for off-hour receipt of important documents
- Durably made using all steel construction
- Scratch-resistant finish
- Piano-hinged door
- Secure lock
- Dimensions 16 in. H x 12 in. W x 6 in. D
- 1 in. x 9.25 in. lidded drop slot
- Mounting hardware included
- Black finish
- Minimum wall thickness chute will accommodate 3.25 inches depth
- Maximum wall thickness chute will accommodate 7.75 inches depth
- Adjustable in wall or door chute depth 3.25 - 7.75 inches depth
- Chute slot dimensions 8.5 in. W x 1 in. H
- Anti-fish baffle
- 4 tubular keys included
- Spring-loaded flap
Features
| Item Weight | 30 |
| Mount Type | Wall Mount |
| Features | Corrosion Resistant,Scratch Resistant |
| Mailbox Size | Large |
| Product Weight (lb.) | 30 lb |
| Wall Mounting Type | Surface Mount |
| Mailbox Style | T1 |
| Color Family | Blacks |
| Returnable | 180-Day |
| Mailbox Capacity (cu. in.) | 1152 |
| Included | Keys,Mounting Hardware |
| Security | Locking |
| Hardware Finish Family | Black |
| Color | Black |
| Assembly Required | No |
| Material | Steel |
| Access Type | Front Only |
| Assembled Depth (in.) | 7 in |
| Assembled Width (in.) | 12.2 in |
| Assembled Height (in.) | 16.2 in |
| Manufacturer Warranty | 1 Year Manufacturer Warranty |
| U.S. Postmaster General Approved | No |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Awesome quality
Color: White, Color: White
Take your time installing! It comes with all the instructions and templates. Make sure you’re screwing this into solid wood. I would not recommend you hang your expensive PC from a particle board table.
My Pc fits in well and it’s compatible with a ton of different sizes. Mine has been mounted under my desk for about 6 months and is rock solid. I will say, mine is balancing in there. If I don’t have it at its center of gravity, it could tip out. You can adjust it with the various screw holes but make sure you mount it into something solid.
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Fantasic under-desk mounting solution for gaming PC
Color: White
This item comes with an incredible amount of tools and guides for making you successful in mounting your desktop PC under the desk. I am very impressed with the quality of the materials and also the quality of documents included. It feel very sturdy using the included hardware.
I would recommend this item for anyone wanting to free up desktop space!
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Reviewed in the United States on March 27, 2026
★★★★★ 5
PC holder that looks great and works on large PCs for easy under desk mounting
Color: Black
After a lot of research and trial and error I finally found the Heavy Duty Under Desk PC Holder. It is the only under desk PC holder that looks good and is able to hold my HP Omen 45L where I want it - under my desk. Putting it together is relatively easy as was the installation to the desk. No messing with cables or round steel tubes to get the job done.
The metal is solid, the black powder coating looks great, and the installation hardware is a;l there including a drill bit, hex key, and wrench. You just need to bring a screw driver for the wood screws to attach it to your desk.
Read the instructions and make sure you take the depth of your PC into account when attaching the PC holder to your desk, especially if you have a standing desk with motors.
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Reviewed in the United States on October 16, 2025
★★★★★ 4
Quality Holder
Color: White
Very quality holder and very sturdy and stable. I purchased it back in April, and it has been holding up nicely. I would definitely say that it is worth the price. I love that it's adjustable, so if I ever decide I want to new PC case, I can still use it (as long as it fits the dimensions of the holder). Putting it together and mounting it was simple. The only reason I'm giving 4 stars is that it did not come with screws, and I had to purchase some. I hope that has been changed since then.
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Reviewed in the United States on October 12, 2025
★★★★★ 5
Fantastic engineering
Color: White, Color: White
Awesome holder. Follow the directions. This appears to be German manufactured and very well thought out. Great having my rig off my desk - more room for my second monitor!
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Reviewed in the United States on April 7, 2026