All the necessary hardware included for install. This camper lock replacement comes with up 4 double-edged keys, 10 screws (3 different length), and 2 mounting plate.
This type fits hole cutouts from 2-1/2" x 3-1/2" to 3" x 4" as well as door thicknesses from 1-1/4" to 1-1/2". Not just limited to recreational vehicles alone, they work great in other applications like cargo trailers, horse trailers, small vans, etc.