Model G110 is a positive set multiple catch repeating trap for chipmunks, gophers and ground squirrels. It features a bottom opening that is designed to be set directly over an animal burrow entry point. It is is equipped with two U-Spikes that push into the ground securing it over an animals burrow. This trap measures 24L x 4W x 4H" and is constructed of 1/2" x 1" - 14 gauge wire mesh. It is designed to fit over 4 x 4" and smaller ground holes. If the entry point is wider use rocks or other hard materials around the trap to fill in any gaps and force the animal to enter the trap when exiting the den.