Catch up to 2 rats per night! The Billy Bob Double Barrel Rat Trap has a removable bait tray, 2 metal spring traps and a setting tool. Instructions are included. This tube has a bait tray in the middle and a metal spring trap on both ends. The rats have to climb through the spring traps to get to the food! Once the rat sets off the trigger on the spring trap, the trap closes and its lights out for the rat.