AL-KO Safety AK161 / AK270 clutch locks are approved by the Anti-Theft Association, which guarantees full safety both when the trailer is coupled to the car and when it is parked. It can be used in both mobile and stationary operation and comes with two keys. AL-KO Safety also meets the highest international security requirements such as the criteria “Sold Secure Gold” (UK), “SBSC” (Sweden) and “SCM” (Netherlands). AL-KO Safety locks the ball coupling itself and blocks the ball coupling’s mounting bolts. It is not possible to unscrew the ball coupling from the trailer’s towing device. Tests have been performed by Svensk Brand & Säkerhetscertifiering AB (SBSC) which certifies the security of the lock. AL-KO Safety AK161 / AK270 clutch lock also has the decal “certified product” which guarantees that the lock meets all Swedish insurance companies’ requirements. It includes 1 Safetyball to put in the ball glove when the trailer is not connected to a car.