The Master Lock 646D delivers reliable security with its resettable combination mechanism and hardened steel construction. This versatile padlock provides keyless convenience for securing gun cases, ammunition storage, and tactical equipment without the risk of lost keys.
What Makes This Different
Unlike basic padlocks that rely on easily duplicated keys, the 646D features a user-resettable combination system that eliminates key management concerns. The hardened steel shackle resists cutting and prying attempts significantly better than standard zinc alloy alternatives. Master Lock's precision engineering ensures smooth dial operation even after extended use in harsh conditions.Key Features
- Resettable 3-digit combination eliminates need for keys
- Hardened steel shackle with 5/16-inch diameter for cut resistance
- Zinc die-cast body with black finish resists corrosion
- 1-15/16-inch wide body fits standard hasps and security loops
- Weather-resistant design suitable for indoor and outdoor use
- Precision dial mechanism operates smoothly in temperatures from -20°F to 160°F
- Compact profile won't interfere with case handles or transport
Technical Specs
- Body width: 1-15/16 inches (49mm)
- Shackle diameter: 5/16 inch (8mm)
- Shackle clearance: 25/32 inch (20mm)
- Material: Zinc die-cast body, hardened steel shackle
- Finish: Black powder coat for corrosion resistance
- Operating temperature: -20°F to 160°F (-29°C to 71°C)
- Country of origin: China
- Limited lifetime warranty against manufacturing defects
