Sport Line Marine Steering Wheel + Hub - Vortice - 350mm (13.78 inches) - Black Polyurethane with Silver Spokes - Part # 50200/N (WH) Steering Wheel fits most 6-Hole Hub Adapters with a 70mm Bolt Pattern (MOMO, NRG, Sparco, OMP, etc) Hub Adapter fits most boats with a single key column (19mm-17mm taper) 100% Genuine Sport Line Product 100% MADE IN ITALY