Wolf trap (No. 4)
Wolf trap (No. 4); this trap was patented in 1911
This, the No. 4, has a spread of jaws of 6 1/2 inches. This is the regular form of Wolf Trap. It is longer than the No. 3 and has one inch greater spread of jaws. It is a favorite with those who trap and hunt for a living in the Northwest and Canada. It is extensively used for trapping the wolves and coyotes in the western stock raising regions.