Master Lock 5406D
Score: 75/100
Master Lock 5423EC
Score: 75/100Rankings
The Master Lock 5406D is a portable, over-the-knob key lock box featuring a durable metal body and a set-your-own 4-digit combination. It is designed for users who need a robust, cost-effective solution for temporary key storage without the need for smart features. It is best suited for real estate agents and homeowners who prioritize durability and portability over advanced connectivity.
The Master Lock 5423D is a wall-mount push-button combination lock box designed for the secure, permanent storage of up to five keys. It features a durable metal body and a customizable alpha/numeric keypad with large buttons for low-light usability. It is best suited for homeowners and landlords needing permanent, secure key storage at fixed locations.
| Attribute | | |
|---|---|---|
5 keysbest | 5 keysbest | |
13.34 cmbest | 11.7 cm | |
6.99 cm | 7.9 cmbest | |
3.81 cm | 5.2 cmbest | |
| ↓ lower better | 0.32 kgbest | 0.91 kg |
35.71 mmbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Durability & Environment(1) | ||
Weather Resistance Rating | Yes, with weather cover | waterproof |
Installation & Mounting(1) | ||
Mounting Type | Portable, Over-the-knob | wall_mount |
Design & Fit(3) | ||
External Height (cm) | 13.34 cm | 11.7 cm |
External Width (cm) | 6.99 cm | 7.9 cm |
External Depth (cm) | 3.81 cm | 5.2 cm |
Build & Design(2) | ||
Body Material | Durable metal body with vinyl-coated shackle | metal |
Product Weight (kg) | 0.32 kg | 0.91 kg |
Support & Warranty(1) | ||
Warranty Length (years) | Lifetime years | lifetime years |
Security & Access(1) | ||
Lock Type | 4-digit numeric | push_button_keypad |
Products in the top-left offer the best value (high score, low price).
Sources lack dedicated expert reviews from major testing organizations. Manufacturer descriptions emphasize reliability for real estate and rentals, highlighting the anti-jamming cavity, weather protection, and portability as strengths for home and rental use.
Limited consumer feedback is available, with one noted 5-star review praising key capacity and ease of use. Common praise is inferred to center on the convenience of storing house keys and the portability of the device.
Search results lack dedicated expert reviews from major publications like Wirecutter or Consumer Reports. However, retailer specifications from Lowe's and Home Depot emphasize the product's durability, ease of combination setting, and weather resistance.
Direct user reviews are not present in the provided data. Common praise in similar Master Lock listings focuses on simple installation and reliable access.
