2 Pack Master Lock ProSeries Hidden Shackle Padlock

Ideal protection against bolt cutter attacks is provided by these locks. The extra heavy-duty 2-7/8" wide padlocks are perfect for outdoor use and are great for situations where multiple locks are needed that can all be opened with just one key. Each lock comes with two keys, so purchasing the 2-pack will result in a total of four keys being received. The locks are made of ProSeries Reinforced Zinc Die-Cast, which offers unmatched properties and economics for a variety of decorative and functional applications.

Zinc Die-Cast is chosen for its toughness, with higher impact resistance compared to other materials like cast aluminum alloys, plastics, and grey cast iron. The zinc alloys used in these locks provide high strength (up to 60,000 psi) and superior elongation, making them ideal for strong designs and formability in operations such as bending, crimping, and riveting. Additionally, zinc alloys are non-sparking, making them suitable for use in hazardous locations like coal mines, tankers, and refineries.

These high-security ProSeries padlocks are designed for commercial and industrial applications. They are keyed alike with four total keys provided. Please note that ordering two 2-packs does not guarantee that the locks will be keyed the same. To ensure that you receive two 2-packs that are keyed alike, you must order the 4-pack.

The lock body conceals the shackle, which is fully shielded with a 3/8 (9mm) diameter reinforced Zinc Die-Cast shackle that is resistant to cutting and prying. The shackle is made of hardened boron alloy for superior cut resistance, while the solid iron shackle shroud resists physical attacks. The dual ball bearing locking mechanism offers resistance to pulling and prying.

The high-security, rekeyable 6-pin cylinder with spool pins makes the lock virtually impossible to pick and comes with a lifetime guarantee. For added security, the lock is available with BumpStop Technology under the code 6271NKA on Amazon.

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