The 550-RC 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 and the offset is 3/16". Minnesota Brand has installed a Paws-I-Trip pan system and stainless steel night latch dog. Pan tension out of the box on the two coiled version runs an average of 2.5 pounds, which Minnesota Brand has found to be a very good number for a multi-species trap. This trap is fast and excellent results are obtained using it two coiled.