Have you ever wondered how a safe combination works? Left 4 times, right 3 times, left twice....but why? Why does that open a safe? In this video we take apart a safe dial and show you what's inside a safe combination lock. We break down the components, the wheels, the lever, the safe relocker and more. Related Videos: How to Dial a Safe Combination: https://www.youtube.com/watch?v=6oFXdJWBFCs How to Change a Safe Combination: https://www.youtube.com/watch?v=5t67urXhk9w 00:00 Intro 00:22 All Combination Dials Work Basically the Same 00:38 How the Safe Dial Locks a Safe 00:58 What's Inside a Combination Lock 01:22 How The Dial Opens the Safe 01:35 The Wheels 02:16 Setting the Wheels to Open the Safe 03:07 How the Wheels are Connected 04:00 Dialing in the Combination 04:49 Last Step to Open the Safe 05:51 How the Dial's Relocker Works