HitchMate 6018- Conventional Trailer Lock-- 7/8-Inch Span
Coupler lock for lever style trailer couplers requiring a 7/8â€ to 1â€ 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".