The Duke Pro Series 450 OS features heavy cast steel jaws, stainless steel rod dog with step down PIT pan system, double base plate, center swiveled D-Ring with machine link chain & in-line swivel. Designed for serious fox and coyote trapping, this trap is built rock solid to withstand the toughest conditions out there. Coil Spring Traps are restraining devices that are used to catch and hold wild animals by the foot and/or paw ~ not by the misconstrued naming of leg hold which they are commonly referred to as. This style of trap has been in use since the early part of the 20th century and is widely accepted as a cost effective and efficient tool for managing wildlife populations. Coil Spring Traps are manufactured with high-grade steel components and powered by a set of compact coil springs. All of the Duke Traps line that we offer at North American Trapper are very efficient tools for all of your trapping needs whether controlling problem animals or setting up a Wild Fur trapline...