Hi, I have used  ATIONAL  lock with two key, I have used type lock in my MILLS Full size slot machines this lock  will work in a some full size slot machine and trade stimulator It is a replacement lock I have used this type lock in my other machines IT MIGHT WORK IN YOURS . with two key. This lock is new old stock but shows tarnish and some rust.  Made in the United States, please look at the photos and please ask Questions if you have any.