BC110 is an external bait cage designed to attach to the back of our dog traps. This includes models 110A, 110B, 110C, 610A, 610B, AND 610C and all other traps that measure 20W x 26H". This cage is constructed from ½ x 1 – 14 gauge galvanized wire and features a guillotine style release door for easy access. It measures 19L x 20W x 26H' and weighs 18 lbs