The KROM-55803J353KA549 is a 1-1/4" long, keyed-alike (KA) removable core cam lock, key code 549. It had a full thread shell (J), it comes with 2 N54G brass milled keys, has a dull black (353) finish, 5 brass disc tumblers, up to 200 combinations, and each unit is poly-bagged (11).