Sea-Dog Steering Wheel Maneuvering Knob Sea Dog Maneuvering Knob fits the following Sea Dog Steering Wheels 230111, 230212, 230115, 230211, 230215, 230313 and 230315. Investment Cast 316 Stainless Steel Fits steering wheel systems with rim diameter from 58 to 1 Direct replacement for 230323 and 230325 Dimensions A 1-58 B 1-78 C 1 D 34 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Steering Wiser Yes Product MPN 230107-1 Product UP