Big Cheese Ultra Power Live Multi-Catch Rat Trap. The Ultra Power Live Multi-Catch Rat Trap from The Big Cheese® will deliver control of rat infestations in gardens farms and commercial premises alike. The self-setting trap is simple to use and effective in any situation - it is a proven design Like The Professionals Use. The Ultra Power Live Multi-Catch Rat Trap is fully assembled and ready to use. It is constructed using a durable galvanised mesh which has been machine-finished to ensure there are no sharp edges. The unit is suitable for use indoors and out. The self-setting mechanism enables continuous trapping of up to 5 rats once the unit is baited and in position. The trap is safe to use in areas where pets and wildlife are present and the protective hand-plate enables secure handling and transportation of captured rodents.