Catalog #: 72028.0115
Heininger Automotive Part #: 6018
Coupler lock for lever style trailer couplers requiring a 7/8 to 1 span. Locks trailer to hitch ball when in use. Helps prevent attaching to an unattended trailer. Coupler Lock with housing and knob cones for flush locking design. Pin Diameter: 1/4", Inside Width: 7/8"-1", Overall Length: 4.50".