KeyGuard SL-590
Score: 80/100
Master Lock 5423EC
Score: 75/100Rankings
The KeyGuard SL-590 is a wall-mounted, weather-resistant key storage lock box with a heavy-duty metal frame and large capacity for up to 8 keys. Its primary drawback is the risk of permanent lockout if the combination is forgotten. It is well-suited for realtors and property managers needing secure, fixed key access.
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 | | |
|---|---|---|
8 keysbest | 5 keys | |
12.7 cmbest | 11.7 cm | |
11.43 cmbest | 7.9 cm | |
6.6 cmbest | 5.2 cm | |
| ↓ lower better | 0.54 kgbest | 0.91 kg |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Durability & Environment(1) | ||
Weather Resistance Rating | weather_resistant | waterproof |
Storage & Capacity(1) | ||
Key Capacity (keys) | 8 keys | 5 keys |
Design & Fit(3) | ||
External Height (cm) | 12.70 cm | 11.7 cm |
External Width (cm) | 11.43 cm | 7.9 cm |
External Depth (cm) | 6.60 cm | 5.2 cm |
Build & Design(1) | ||
Product Weight (kg) | 0.54 kg | 0.91 kg |
Security & Access(1) | ||
Lock Type | pushbutton | push_button_keypad |
Products in the top-left offer the best value (high score, low price).
Professional reviewers at CLKsupplies commend the KeyGuard SL-590 for its robust heavy-duty metal frame and impressive internal storage capacity, noting the effectiveness of the weather guard.
Everyday users and reviewers generally praise the product for its excellent storage capacity relative to its size and its durable construction that withstands outdoor elements.
“you can see how much space is still in here”
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.
