HitchMate 6016- Surge Brake Trailer Lock- 2-1/2-Inch span
Coupler lock for lever style trailer couplers requiring a 2-Â½â€ 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: 2-1/2" Overall Length: 6.125"