|The duofit is designed to fit both, a 1 7/8" and a 50mm, tow ball, at the turn of a handle. As it's name suggests, this heavy-duty coupling is suitable for a combined trailer and boat mass of (and up to) 3500kg. Features include: zinc plated; anti rattle screw; security fitting.
Fitting Measurements: 4 hole- 54.5mm x 182mm; TC40 fixing pattern.
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