Key retaining means that the key is only removable from the lock when in the locked position. When it is unlocked the key is retained in the lock.
Each lock comes with 2 keys. Locks are keyed alike and will work with all locks
Tubular Cam Lock - 5/8" Cylinder Length The Tubular
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The tubular cam lock is keyed alike (all keys to all the locks you buy will work with each on all of your locks). Great for RV, cabinet, toolbox