Polyurethane grip equidistant spoke boat steering wheel – hub included 5-Spoke non magnetic Stainless Steel Steering Wheel, Polyurethane grip. Accessories: Speed Knob21 for V24 Wheels Standard 3/4 “ taper Meet with the EN28848, EN29775, UKCA & ABYC P22 standards ----- Ø 350mm (13.8”) Grip Polyurethane Grip colour Black, White, Grey Hub Included Spokes Stainless Steel, Black painted Stainless Steel Depth 74mm (2.91”) Certifications CE, NMMA, UKCA