MB Pre-Formed Lamination Kit #11 contains 24 rods which are 4 1/2" long and fit the following coil spring traps: #2 Northwood (Square Jaw) and #2 Bridger (Square Jaw). Each kit comes with 24 rods -- the amount needed to laminate the jaws of 12 traps. These rods are made to be welded to traps' jaws.