Master Lock Combination Lock

The Master Lock 178D Set Your Own Combination Padlock is designed with a 2in (51mm) wide solid body, offering strength and reliability. The 5/16in (8mm) diameter shackle is 1in (25mm) long and made of hardened steel, providing extra resistance against cutting and sawing. With 4-digit dialing, there are thousands of possible numeric combinations to choose from. The Limited Lifetime Warranty adds peace of mind, coming from a trustworthy and well-known brand.

This indoor and outdoor padlock is ideal for use as a school locker lock, gym lock, or gate lock, ensuring protection and security against theft. It's important to measure your door's backset, cross bore, and thickness to ensure the right fit.

You can easily set your own four-digit combination for quick recall, with a combination change tool included for convenience. The solid body construction of the combo lock ensures strength and durability, while the hardened steel shackle offers resistance to cutting. The lock body measures 2 inches (51 millimeters) wide, with a shackle diameter of 5/16 inch (8 millimeters) and a length of 1 inch (25 millimeters), and a width of 1 inch (25 millimeters).

The shackle comes preset to open on 0-0-0-0, and it's worth noting that some instructions may incorrectly state that the shackle opens on "LOCK." For the correct combination reset instructions, refer to the user manual in the technical specifications section of this page.

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