This wheel has a square notch in the middle it's where it was attached. Brass center This measures 24 in wide. The item "Authentic Nautical Wooden Brass 6 Spoke Ship Boat Steering Wheel Square Notch" is in sale since Tuesday, September 8, 2020. This item is in the category "Antiques\Maritime\Maritime Wheels". The seller is "wvmountaingirl" and is located in Darien, Illinois.