Linus Yale Sr. invented these locks in the 1800s; Yale brand locks still exist. To open a pin tumbler without a key, you can engage the pins with a metal pick and turn the lock with a tension wrench.

Empowered Funds LLC boosted its position in shares of NL Industries, Inc. (NYSE:NL – Free Report) by 4.5% during the 4th ...

Wearable locks are designed to eliminate the need ... By far, the Straplok's most unique feature is its patented ‘linear pin tumbler’ locking mechanism. This simple key slot system doesn ...

LOCK.The lock is of the common, simple, and excellent kind, but as applied to this rifle, it affords the means of strengthening the small three legged brace plate screwed over the tumbler which ...

The new Owala FreeSip tumbler has a locking lid, a side handle for easier carrying, and a cupholder-compatible base. Buy ...

The new FreeSip Tumbler adopts more of the same ... its trusty leak-resistant lid design with a push-button open and a lock. Those who believe Owala delivers superior insulation will enjoy ...

Tired of accidental spills? No problem. It comes with a dedicated lock to prevent leaks and spills. Even better the FreeSip Tumbler features a double-threaded lid for both left and right-handed ...

A traditional lock typically contains internal pins. When you insert the proper key, it puts the exact right amount of pressure on each pin until the lock opens. Smart locks are electronic ...