HB511 Stronghold Hitch Lock for IFor Williams HB-511 Horsebox Trailer Approved
Suitable for many Ifor Williams trailers and horse boxes. Stronghold hitch lock for Knott Avonride hitches fits most 50mm Avonride cast heads from 1400Kg - 3500Kg including: 575003, 575004, 575005, 575008.