The Chimney Trap is built rock solid for those big boar male raccoons and the scrappy females that are protecting their young in the fireplace. Just set and secure over chimney top, go down below and run the raccoon right up into the trap. Powder Coated 1/4″ solid steel rod frame, wrapped in HD 16 gauge galvanized after weld 1/2″ x 1/2″ wire. 8″ x 8″ x 36″. Field proven for many years by Wildlife Control Professionals.