The MB-550-CL Double Coil Spring Cast Closed Jaws Trap is designed for use in taking coyote, bobcat, fox and raccoon.  This trap has an outside jaw spread of 5 1/2" and an inside jaw spread of 4 3/4".  The cast jaw face is 3/8" thick.  This trap has a Paws-I-Trip pan system and a night latched dog.  Pan tension out of the box (un-waxed) runs an average of 2.1 pounds.
Note:  If you are not planning on 4-coiling your MB-550-CL's it is strongly recommended that you cut the excess spring pins off leaving 1/2" protruding from the frame.