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Copper-coloured zinc die-cast padlock with 4-digit dials and thick steel shackle

Master Lock

Master Lock 175DLH 4-digit combination safe

SKU CH-54DJ-GK4MB MPN 175DLH

A 2-inch wide resettable combination padlock with 10,000 possible four-digit codes and a case-hardened steel shackle

  • Selling UnitCard
  • TypeCombination
  • Features* Instantly resettable to open at any personally programmed
  • Resettable 4-digit code lets you set your own combination
  • 10,000 possible settings make guessing impractical
  • Case-hardened 5/16 in. steel shackle resists cutting
  • Zinc die-cast body withstands physical attacks
  • Change key protected from tampering while lock is closed

2-inch Resettable Combination Padlock

The Master Lock 175DLH is a 2-inch wide combination padlock built for personal or light-commercial security. Its zinc die-cast case and case-hardened steel shackle resist cutting and prying, making it suitable for lockers, gates, toolboxes and storage units where a keyed lock is impractical. The 4-digit dial mechanism offers 10,000 possible combinations.

Capacity and Headroom

With 10,000 unique codes the lock provides ample combination space for individual or small-group use. The 5/16-inch diameter shackle and 2-1/4-inch vertical clearance fit standard hasps and chain links, but thicker chains or oversized staples may not pass through. The fixed shackle length limits reach on wide-door frames or double-gate setups.

Positive-Action Change Key Included

A dedicated change key is supplied with the lock, allowing the owner to reset the combination instantly without disassembly. The keyway is fully shielded while the shackle is closed, preventing tampering or code extraction. This feature removes the need for tools or manufacturer reset services when access codes must be updated.

Highlights

  • Resettable 4-digit code lets you set your own combination
  • 10,000 possible settings make guessing impractical
  • Case-hardened 5/16 in. steel shackle resists cutting
  • Zinc die-cast body withstands physical attacks
  • Change key protected from tampering while lock is closed

Specifications

BrandMaster Lock
Model175DLH
Selling UnitCard
TypeCombination
Features* Instantly resettable to open at any personally programmed 4-digit combination
* 10,000 possible settings
* Exclusive positive action change key permits quick, easy resetting, whenever the owner chooses
* Once shackle is closed, automatic tamper guard of hardened steel blocks keyway, and protects against tampering
* Makes it easy for owners to give employees or friends temporary access, and then restore private control in seconds by simply changing combinations
* Multiple padlock users also can set whole groups of locks "combination-alike" for added convenience
* For easy rememberin
Shipping weight0.27 kg
Package size167 × 89 × 30 mm

Questions about this item

Will the 5/16 in. case-hardened shackle fit the hasp on my existing garden shed?

The shackle is 5/16 in. thick with 2-1/4 in. vertical clearance; measure your hasp hole and staple gap to confirm fit.

How can I verify the 4-dial mechanism is set correctly after I programme a new code?

Scramble the dials, then re-enter your chosen 4-digit combination; the shackle should release smoothly if the code is correct.

Does the carded package include the change key or must I buy it separately?

The positive-action change key is supplied inside the carded pack; no separate purchase is required.

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