Here at GTI we saw a gap in the folder market.  That gap was in the lock.  Almost every lock on the market has the same two issues.

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1. It is a single point of contact therefore a single point of failure.

2. The surface area of the lock.

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To overcome both issues we designed the Delta Lock.  The Delta lock has 4 points of contact on the back of the blade that contact 4 points in the liner and it also has no less than 4 points of contact in the handle.  To overcome the surface area, we have two flats and two angle that serve as the entire lock face or about an 1 5/8th inches of area.  The lock is dual purpose in that it doubles as a glass breaker in the closed position.   All of this not only makes it one of the most versatile locks on the market but also one of the strongest if not the strongest.