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🛡️ Lock it down, wherever you go — security that travels with you.
The DoorJammer DJ4LD Lockdown XL is a portable, industrial-strength door brace designed exclusively for inswinging doors with a 3mm clearance. At 192mm tall, it offers twice the security of the original model, anchoring firmly on all floor types without tools. Engineered for commercial and home use, it installs and releases in seconds, providing fast, reliable protection against forced entry in hotels, offices, schools, and residences.






| ASIN | B07HM9HVN4 |
| Best Sellers Rank | #101,145 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #526 in Door Latches & Bolts |
| Brand Name | DoorJammer |
| Color | DJ4LD - DoorJammer Lockdown (Heavyweight) |
| Customer Reviews | 4.2 4.2 out of 5 stars (947) |
| Global Trade Identification Number | 00814953024118 |
| Item Weight | 1.8 Pounds |
| Manufacturer | DoorJammer |
| Material Type | Alloy Steel |
| Mount Type | Floor Mount |
| Product Style | DJ4LD – XL Heavyweight (Lockdown Edition) |
| UPC | 814953024118 |
| Unit Count | 1.0 Count |
M**A
I N U T I L E ! I N U T I L E! I N U T I L E ! 1 ora di tentativi per posizionarlo in modo efficace. Seguite le istruzioni alla lettera, utilizzati gli spessori aggiuntivi nella scatola, visti e rivisti video esplicativi. Non serve assolutamente a nulla, non si posiziona in maniera stabile e SE APPARENTEMENTE SEMBRA STABILE, con una spinta poco più forte si sposta o addirittura si sgancia da solo con un balzo indietro. La porta su cui abbiamo provato ad utilizzarlo aveva le caratteristiche utili descritte nelle indicazioni, il pavimento era un normalissimo pavimento a piastrelle. NON FUNZIONA!!!
S**.
May not be applicable in every door configuration, but device is effective for the most likely use scenario, especially hotel room doors, or front doors with simple doorsill to floor relationship.
A**R
Easy to use
N**N
Not so good on thicker carpets
S**Y
Works a treat. I wasn't expecting it to be so solid. But it didn't move a millimeter, stuck like glue to the floor! The door flexed and bent a little, and I think the hinges would be ripped out of the door frame before this gave out. Worth every penny for the safety and security of your family and home. Easy to fit, only takes a few seconds. I am very impressed!
Trustpilot
2 weeks ago
2 days ago