Designed to eliminate the spinning of all cam locks and wing closures on any door.   Works on all doors from 5/8" to  1-1/8" thick.   Secures cam locks so they cannot be manually spun creating a much more secure closure.   Keeps wing closures aligned and consistently locking and unlocking in the same direction.   No more guessing which way to turn a closure to open or close it.Comes in packs of 9, 18, 27, 36.  Rust free aluminum with stainless set screws.