Primus Model 740 - 13.5" Wheel With Knob & Finger Grip - 3/4" Tapered Shaft With Faux Nut - 1/2" & 3/4" AdaptersThe Schmitt & Ongaro Primus Wheel, is a 3 spoke stainless steel steering wheel that can be a great addition for any boat. This specific steering wheel comes with a Santoprene finger/rim grip, spoke inserts, and a fitted centered faux nut.Features:Wheel is made of polished 316 cast stainless steel, which is proven to be durable and long lastingSantoprene finger grip, Santoprene rim grip, and Santoprene spoke insertsIncludes center faux nut 1/2" & 3/4" adapters for different helm sizes Lifetime warrantySpecifications:Rim diameter: (inch) 13 1/2"Hole diameter: (inch) 3/4" tapered shaft 3 spokes *Packaged in a retail box