The Big Cheese® Ultra Power Block Bait Rodent Killer Kit is a pre-baited, ready-for-use tamper resistant station, containing single-feed bait for the control of rats in just one dose. Ultra Power Block Bait from The Big Cheese delivers fast and highly effective control of rodent pests using single-feed bait technology. It combines proven palatability with the necessary amount of active ingredient to deliver a lethal dose to rodents in one feed. Rodents may continue to take bait for up to 4 days. For as long as bait is being consumed, replenish the station as directed using The Big Cheese Ultra Power Block Bait². Fast-acting, single feed bait: contains 3 x 20g brodifacoum poison bait blocks that kill rats and mice in one feed, guaranteeing quick results. Lockable, tamper-proof bait station: the bait station comes with a key to enable locking, keeping little fingers and larger furry feet out, protecting children and pets from accidental contact with poison bait. By law, a bait box or station is required when baiting rats and mice. Refillable rodent kill station: the tough bait station can be reused and has a semi-transparent lid allowing rodent activity to be monitored. Easy to see when baits need replacing. Refill using The Big Cheese Ultra Power Block Bait² Rodent Killer (STV567 & STV568, sold separately). Durable: suitable for use indoors in loft spaces, storage spaces or attics as well as outdoors around garden sheds, outbuildings and greenhouses. Two-way entry: enables maximum bait take by rodents and increases efficiency.