HitchMate 6014- Conventional Trailer Lock-1/2-Inch Span
Coupler lock for lever style trailer couplers requiring a Â½â€ span (e.g. Shelby, Fulton, Dutton-Lainson). 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: 1/2", Overall Length: 4-1/8".