



🔐 Upgrade your mailbox security with style and ease—never miss a mail moment!
The Prime-Line S 4140 is a robust, multipurpose mailbox lock designed for easy replacement across multiple popular mailbox brands. Featuring a secure 5-pin tumbler mechanism, a durable nickel-plated diecast finish, and a unique key-retention feature that prevents leaving the key in the lock, it ensures your mail stays safe. The kit includes all necessary components for a smooth installation, making it the go-to upgrade for professionals seeking reliable, long-lasting mailbox security.





| ASIN | B000B4N0PC |
| ASIN | B000B4N0PC |
| Batteries Included? | No |
| Batteries Required? | No |
| Color | Nickel |
| Customer Reviews | 4.4 4.4 out of 5 stars (4,052) |
| Customer reviews | 4.4 4.4 out of 5 stars (4,052) |
| Date First Available | 7 August 2012 |
| Date First Available | 7 August 2012 |
| Finish | Nickel-plated,Nickel |
| Included components | 2 keys, lock and fasteners |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 97.5 g |
| Item model number | S 4140 |
| Item model number | S 4140 |
| Manufacturer | Prime-Line Products |
| Manufacturer | Prime-Line Products |
| Material | Diecast / Steel |
| Number Of Pieces | 1 |
| Part number | S 4140 |
| Product Dimensions | 3.18 x 9.69 x 12.38 cm; 97.52 g |
| Product Dimensions | 3.18 x 9.69 x 12.38 cm; 97.52 g |
| Shape | Round |
| Size | 1 Pack |
| Special Features | Keyless |
| Style | Mailbox Lock |
A**.
Works good have had it for a few months now and is still going strong, very smooth operation and easy installation
B**E
easy to switch with old lock and adapts to a wide range of boxes .looks like it was never replaced when completed .
M**E
For an old mailbox in a condo and was easy to install, mail lady did it for me. Thanks
R**Z
Great product, was easy to install and does what it’s supposed to. The 5 different sizes made it easy to find a perfect fit of my mailbox.
S**Y
Worked for me. Very easy.
Trustpilot
Hace 3 semanas
Hace 1 mes