Stronghold hitchlock for us on ALKO AK130, AK160, AKS1300, AKS2004, AKS3004 and AKS3504 couplings. Sold Secure tested and approved at Caravan Gold Standard. Easy to fit hitched or unhitched in seconds. Highly visible deterrent. Comes with a handy storage case and steel ball for extra security when fitting unhitched. Supplied with 3 keys.
