The easiest rodent trap you will ever set! Just press to set and squeeze to eject. No complicated mechanical parts to deal with. Never touch design takes the mess out of catching pests. You never have to touch the front of the trap or the carcass. Extra-large bait pan means there is a larger area for pests to trigger the trap spring. The top features a serrated edge to help hold the prey in place. Works great for rats, mice, voles, shrews, and other very small animals. Measures 7.5 inch long by 4 inch wide by 3.5 inch high.