![Training and Information Videos](https://cdn.masterlock.com/cms/image/training-information-videos/training-videos-banner.jpg)
Combination Locks
![Combination locks](https://cdn.masterlock.com/cms/image/training-information-videos/combination-locks.jpg)
How It Is Made: The Journey of the 1525 at the Master Lock Plant in Milwaukee, WI. See the precision manufacturing that makes the world's most popular combination padlock
1525/1502 BlackGuard® Anti-Shim: Animated video describing how BlockGuard® Anti-Shim Technology deters shimming in our 1500 series combination locks
Built-In Combination Locks
![Build in Combination Locks](https://cdn.masterlock.com/cms/image/training-information-videos/built-in-combination-locks.jpg)
1690 Technology: Animated video describing how Wrap Around Latch™ Technology works
All videos are available for placement on your website. View information on how to add videos to your website.