The Fortress K Hitch Lock fits Albe Cast Head, Knott Braked Pressed Head and Knott Unbraked Pressed Head (May require removal of stand), as well as the Winterhoff WW8, WW13 & WW30 Cast Hitch. For Unbraked trailers with the hitch to fit this hitch lock, the total height from the top to the bottom of the fixing bolt can be no more than 73mm to fit due to the way the hitch is mounted on the drawbar.
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