Kwikset 660 26D SMT RCAL 5303 Single Cylinder Deadbolts Featuring Smart Key (3 Pack), Satin Chrome 3 single cylinder deadbolts, all keyed alike Featuring smart key re-key technology; re-key the lock yourself in seconds in 3 easy steps Deadbolt operated by key outside and thumb turn inside Latch includes round corner faceplate, full lip round corner strike Ansi/bhma grade 3 certified