The Whitecap Destroyer Steering Wheel is constructed of 304 stainless steel for exceptional strength and corrosion resistance. This five-spoke wheel features a 15" diameter, 3/4" tapered shaft, and a 22-degree spoke angle. Model#: S-9002. 3/4"" tapered shaft; 22-degree spoke angle | Whitecap Destroyer 15" Steering Wheel with Black Cap