Insurance Approved hitch lock completely covers hitch head and bolts. The Fortress Hitch Lock fits Al-ko AK7, AK160, AK161, AK180, AK300 hitches and Able Cast and pressed hitch heads. Also fits some Winterhoff hitch heads, please see guide for full range. Hitch lock for hitch fitted on Sunncamp trailer tents, Cabanon trailers, new Conway trailers, other smaller camping trailers/jet-ski trailers, Swift Basecamp caravans, and more. For confirmation for which model hitch fits this hitch lock please refer to our hitch lock selection fitting guide. Hitch lock will fit hitched and unhitched to prevent car and caravan being separated in car park or motorway service station. The maximum security ‘safe style’ lock on this hitch lock has twin hardened pins to lock and anti-drill protection on the lock to deter thieves. Hitch lock finished in Zinc pacivate and painted bright red for maximum visual deterrent. Compact and easily stored which makes it ideal for touring, tough plastic hitch lock carry case available as an extra from SAS. Other Hitch Locks also available for other hitches.