Tow Ball + Socket Assembly 12N 7 Pin 50mm Tow Hitch Gold E Approved Caravan UK. ALKO Towball + Socket Assembly 12N 7 Pin High Reach Tow Ball for AL-KO Caravan. Pin Type: 12N 7 Pin. EU Approved 50mm Towball + 7 Pin 'N' Type Socket Assembly – Complete, Compliant & Great Value Towing Solution.
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