Aggressive non-relaxing reusable locks. These locks have teeth located along the cam portion of the lock. There is absolutley no relax and no slipage. An excellent option for dispatch snares. Available in 1/16", 5/64", 3/32", and 1/8" - NOW WITH A BLACK OXIDE FINISH!! If wanting a break away with this lock; s-hooks work best. A release ferrule will work with all locks.