High polished 6061 aluminium spokes with smooth round edges A nice steering wheel for your classic cars and boats Genuine Mahogany laminted wood with beautiful PU clear coating,and comes with horn button and installation bolts 17'', 2'' Dish, 9 bolts mount.Other sizes available 14'',15'',16'' Fit most of 9 bolts steering adapter in market (installation adapter is NOT included) Flashpower 17'' classic wood steering Great for restoration all classic car Jaguar,Jaguar E-type XKE MK2 Derrington,even Boat