Tomcat's Advanced Bait Station & Bait Blocks for Rats effectively kills up to three rats each with an advanced mouse-attracting bait block. The refillable station is child and pet resistant and can be used verticaly or horizontally indoors or outdoors. Evenly spaced stations (15-30ft apart) are easy to monitor and refill, making it a safe and reliable way to keep house mice, roof rats and Norway rats at bay.