The Multiflex " Gamma " 3 spoke sports boat steering wheels are manufactured using high quality black anodized aluminum with textured leather look polyurethane rim and molded hand grips. This steering wheel has a flat bottom to provide additional leg room for the skipper. SPECIFICATIONS 3 spoke - 350mm (14") diameter Special flat bottom for additional leg room Molded hand soft-grip boat steering wheel comfort to hold and use Attractive sports styling Black anodized aluminum hub with tapered bore High Strength Engineering Plastic /PU Fits all standard Marine Helms with 3/4 Tapered Shaft Tested Globally Exceeds ISO 10592/8848/9775 Standards