Long shackle padlock 3LH – MASTER LOCK ML140 heavy-duty security lock

🔐 MASTER LOCK ML140 – long shackle padlock 3LH for extended reach security

The long shackle padlock MASTER LOCK 3LH (model ML140) is designed for situations where standard padlocks fall short. Its extended shackle offers greater clearance, allowing it to secure larger or awkwardly shaped items such as storage units, gates, fence latches, and industrial toolboxes.

Built with a laminated steel body, the ML140 delivers rugged durability and resistance to cutting, prying, and corrosion. The 3LH (Long Hook) designation refers to the high-clearance hardened steel shackle, providing flexibility for a wide range of locking configurations.

Whether used indoors or outdoors, in construction zones or warehouses, the MASTER LOCK ML140 is trusted for its proven strength and reliability.

🔧 Key features

• Brand: MASTER LOCK

• Model: ML140 / 3LH

• Shackle type: Long shackle

• Shackle material: Hardened steel

• Body type: Laminated steel

• Lock mechanism: 4-pin cylinder

• Key system: Keyed different (keyed alike on request)

• Weather resistance: Yes

• Security level: Medium to high

• Color finish: Zinc-plated body with chrome shackle

🧠 Ideal for:

• Industrial gates and fences

• Storage units and lockers

• Jobsite toolboxes and vans

• Construction sites and warehouses

• Equipment lock-up in outdoor areas

✅ Benefits of the MASTER LOCK ML140 padlock

• Extra-long shackle fits where standard locks cannot

• Laminated steel body ensures long-lasting protection

• Resists cutting and sawing with hardened steel construction

• Dual locking levers for added pry resistance

• Reliable weatherproof performance for outdoor security

• Recognized MASTER LOCK quality for peace of mind

🧾 Technical specifications

• Brand: MASTER LOCK

• Model: ML140 / 3LH

• Body material: Laminated steel

• Shackle material: Hardened steel

• Shackle height (vertical clearance): 2.00 inches

• Shackle diameter: 0.31 inches

• Body width: 1.56 inches

• Locking mechanism: 4-pin cylinder

• Weight: 0.75 lbs

⚠️ Safety usage

Always ensure shackle clearance fits the target object securely. Avoid dropping the lock from height or using excessive force. Lubricate periodically for optimal performance.