





🔐 Lock in your peace of mind—weatherproof strength that never quits!
The Master Lock 312D is a 40mm laminated steel padlock featuring a weather-resistant thermoplastic shell, hardened steel shackle, and dual ball bearing locking for enhanced cut and pry resistance. Designed for outdoor use, it includes a 4-pin cylinder to prevent picking, combining durability and security in a compact, modern form factor.

| Brand | Master Lock |
| Special Feature | Weather Resistant |
| Lock Type | Padlock |
| Item dimensions L x W x H | 1.38 x 1.65 x 2.99 inches |
| Material | Alloy Steel |
| Recommended Uses For Product | Outdoor security |
| Style | Modern |
| Color | Navy Blue |
| Number of Pieces | 1 |
| Finish Type | Laminated |
| Included Components | 1 Master Lock Manufactured Product |
| Controller Type | Hand Control |
| Shape | Rectangular |
| Item Weight | 0.21 Kilograms |
| Control Method | App |
| UPC | 071649054440 071649050381 |
| Model Name | 312D |
| Global Trade Identification Number | 00071649050381 |
| Manufacturer | Master Lock |
| Part Number | 312D |
| Item Weight | 7.4 ounces |
| Product Dimensions | 1.38 x 1.65 x 2.99 inches |
| Country of Origin | USA |
| Item model number | 312D |
| Is Discontinued By Manufacturer | Yes |
| Size | 1" Shackle |
| Finish | Laminated |
| Item Package Quantity | 1 |
| Measurement System | Metric |
| Special Features | Weather Resistant |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Warranty |
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