FJM Security MEI-2400AL-KA Tubular Cam Lock with 1-1/8" Cylinder and Chrome Finish, Keyed Alike
I replaced all of mine locks with this type and then knocked the tip off of the keys so that the keys could be removed when unlocked
We used Chief something for the Antelope Canyon. They were very good at what they did. We've done the guided tour of Monument Valley. You can take your own car but you won't see all the places. We did the Lake Powell thing to the Arch. It did get a bit long and boring, but the hike to the Arch was nice. The tour was over priced considering the lunch was baloney, American cheese on white bread plus a bag of chips.
The Chief offered a photographer tour and a general tour. We went with the photographer tour which was a few bucks more but the Chief puts in in the best spots at the right time for pictures and the tour is a bit longer which made it very enjoyable...