MP279 Trailer Cop Universal Coupling Lock.
Universal coupling lock ‘trailer cop’ suitable for most standard 50mm couplings
Lock fits into coupling blocking access and prevents tow-away theft
Expands in coupling
High quality construction
Non-corrosive body
Supplied with 2 keys
Instructions for MP279 Trailer Cop Universal Coupling Lock

Lift coupling handle to open position, insert lock & push in until handle can be returned to closed position. Note : slot on lock should be to either left or right side.
Remove barrel lock by turning key clockwise 90°. Insert Allen Key provided, turn clockwise to expand lock inside coupling. Tighten Securely.
Replace barrel lock, remove key, (turn 90° anti- clockwise)