V21 STEERING WHEEL 3-Spoke non magnetic boat stainless steel steering Wheel. Grip available in Teak Polyurethane Hub included Accessories(separate purchase): Speed Knob for V21 Wheels ------ Ø 350mm (13.8”) Grip Polyurethane Grip colour Black, White Hub Included Spokes Stainless Steel Depth 64mm (2.52”) Certifications CE, NMMA, UKCA