Master Lock 5400EC Black
Score: 78/100
Master Lock 5423EC
Score: 75/100Rankings
The Master Lock 5400EC is a versatile, portable key safe that offers reliable mechanical security for up to five standard keys. Its primary trade-off is the vulnerability of its shackle to cutting tools and limited capacity for bulky items. It is best suited for realtors and homeowners needing temporary, flexible access solutions.
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 | |
15.8 cmbest | 11.7 cm | |
8.3 cmbest | 7.9 cm | |
3.8 cm | 5.2 cmbest | |
| ↓ lower better | 0.45 kgbest | 0.91 kg |
36 mmbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Durability & Environment(1) | ||
Weather Resistance Rating | weather_resistant | waterproof |
Installation & Mounting(1) | ||
Mounting Type | over_the_knob_wall_mount | wall_mount |
Design & Fit(3) | ||
External Height (cm) | 15.8 cm | 11.7 cm |
External Width (cm) | 8.3 cm | 7.9 cm |
External Depth (cm) | 3.8 cm | 5.2 cm |
Build & Design(2) | ||
Body Material | metal_plastic | metal |
Product Weight (kg) | 0.45 kg | 0.91 kg |
Security & Access(1) | ||
Lock Type | mechanical_dial | push_button_keypad |
Products in the top-left offer the best value (high score, low price).
Professional reviewers consistently rate the Master Lock Key Lock Box as a top pick for realtors and homeowners, praising its balance of security, capacity, and price.
Everyday users express high satisfaction with the product's reliability for granting temporary access to service providers, pet sitters, and cleaners.
“Perfect for dog walkers/cleaners-combo never fails in rain”
“Dial gets stiff in cold; needs WD-40”
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.
