Rat and Chipmunk traps that work - Tamper resistant- dedicated double key system ideal for perimeter baiting, can be attached to a permanent structure for added security. | Easy Installation - Rods Inculded Durable design for both indoor and outdoor. | Pet Friendly - Lock-able station is safe for pets and non target species. | Universal - For use of any type of rodent bait, including bait blocks. | 2 Pack 4 keys Bait NOT included