Even with the different types of locks available today, combination locks are still a favourite for many commercial establishments.

Key lock safes Australia are also reliable but can be vulnerable to theft as soon as the keys fall into the wrong hands. Digital safe locks are another option but are better suited for people who aren't so good at keeping keys.

With combination safes, there can be as many as 100,000,000 possible combinations for burglars to try, making them notoriously difficult to crack.