Stronghold Coupling Lock for Knott-Avonride Couplings - Ifor Williams
Fits most 50mm Avonride cast heads from 1400Kg - 3500Kg including: 575003, 575004, 575005, 575008. Allows use of Avonride integral lock. Fits all Ifor Williams. Stronghold Hitch Head Lock for Knott-Avonride Couplings.