Product Description
Protex SDB-104 Drop Box with Dual Key access
Heavy-gauge steel drop box with a wider opening for deposit bags and thick envelopes. Steps up from the SDB-100 and SDB-101 in both size and build quality. Commercial lobbies and apartment mail rooms.
Specifications
| Brand | Protex |
| Model | SDB-104 |
| Type | Heavy-Duty Drop Box |
| Lock | Key lock |
| Material | Heavy-gauge steel |
| Mount | Wall mount |
| Weight | 12 lbs |
Dimensions & Specifications
| Exterior Dimensions | 6"H x 6"W x 12"D |
| Interior Dimensions | 5-3/4"H x 5-3/4"W x 11-3/4"D |
| Weight | 11.5 lbs (corrected — the figure previously shown here did not belong to this model) |
| Spec source | Protex published specification for the SDB-104, verified 2026-08-15. Dimensions are height x width x depth. |
Measure the opening and the route in before you order — on a wall or through-the-door unit the wall thickness and the stud bay decide the job, not the safe.
Key Features
- Wider opening for deposit bags
- Heavy-gauge steel
- Key lock, anti-fish
- Wall-mount
- Larger than SDB-100/101
Related: For through-wall mounting, see the WDD-180.
Free Expert Support — As an authorized Protex distributor, Lock Depot provides full manufacturer warranty coverage. Call (877) 365-5625 for help choosing the right safe.
⚠ Shipping Notice: Due to their weight and size, safes ship via freight carrier and do not qualify for free shipping. Exact shipping cost is calculated at checkout based on your location. Need a freight quote first? Call us at (877) 365-5625 or contact us here.
Image shown is representative of the product line. Actual finish and configuration may vary by model.
Warranty Information
1 Year Limited WarrantyProduct Videos
Custom Field
Product Type Drop Box
Fire Rated Non Fire Rated
Lock Dual Key Lock
Series SDB
Exterior Dimensions 6"H x 6"W x 12"D
Interior Dimensions 5-3/4"H x 5-3/4"W x 11-3/4"D
Shipping Weight 11.5 lbs