Havahart 0745 One-Door Animal Trap for Chipmunk, Squirrel, Rat, and Weasel, X-Small Dimensions: 16 x 6 x 6 inches. Galvanized Steel, 12-Gauge Wire Mesh One gravity action door Chipmunk trap - also ideal for catching squirrels, flying squirrels, rats, weasels and similar-size nuisance animals Patented design; comes fully assembled and ready to use Trigger rod is located outside of the trap so animal cannot damage it while in the trap