The Duke 650 Pro Series is a Coil Spring Trap with a Cast Jaw that is Offset. Trap comes factory night latched so no modifications are necessary. Trap features heavy duty #2 machine link chain that has a D ring and center swivel. . With the outside jaw spread of 6 7/8 inches and 6 1/8 inside jaw spread it has a larger catch area increasing your advantage for catching your target animal. The Duke 650 is great for bobcat and coyote.