Feature●Stainless Steel●Wheel Maneuvering Knob, Nylon Cap●Fits Wheel Rim 5/8" x 1",●Height: 2-1/2"●Diagram Image: A) 15/16” B) 3/4” C) 2-1/2”Description Make the boating experience more enjoyable and convenient with this attachable Stainless Steering Wheel Maneuvering Knob, Round.