Kwikset® Rekey Kit lets you modify your lock so the old keys don’t work Rekeying with this rekey set is an easy way to alter the lock mechanism so that the old keys don’t work, and only the new keys do. Rekey your lock when you’re concerned that unauthorized persons may have access to the old keys to the lock. Our rekey set includes everything you need to do the job right, and fast. Kwikset® Rekey Set only works with Kwikset® cylinder locks. Kwikset® Rekey Kit includes: - #1 through #7 bottom pins - #1 through #6 master pins - Top pins - Entry lock springs - Deadbolt springs - Cylinder cap retaining pins and springs - Tweezers - Plug follower - Key gauge - Cylinder removal tool - Divided storage case