Just One Bite II, 64 Count, 2 OZ, Chunk, Contains The Active Ingredient Bromadiolone, Center Mounting Hole For Use In Bait Stations, Features Nibble Ridges To Promote Rat & House Mouse Chewing, Norway Rats & House Mice May Consume A Lethal Dose In A Single Night's Feeding With First Dead Rodents Appearing 4 Or 5 Days After Consumption, For Rural/Agricultural Use Only, Ordering Restrictions May Apply, Contact Merchant For Ordering Details.