The Duke Traps 550 OS Pro Series steel trap 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 coyote trapping, this trap is built rock solid to withstand the toughest conditions out there. FeaturesHeavy cast steel jawsDouble base plateCenter swiveled D-ring Built to withstand the toughest conditions