Sea-Dog Steering Wheel Maneuvering Knob SS. A steering knob attaches to the wheel for use in situations where maneuvering is excessive. It allows the driver to turn the steering wheel more quickly to place the vessel in its intended position. Constructed of investment cast stainless steel for corrosion resistance this knob is designed for use with 1" x 3/4" oval tubing. Specifications for Sea-Dog SS Steering Wheel Maneuvering Knob: Manufacturer: Sea-Dog Color: Black Features of Sea-Dog SS Steering Wheel Maneuvering Knob Investment cast 316 stainless steel construction Fits Sea-Dog Steering Wheels 230111 230212 230115 230211 230215 230313 and 230315 Corrosion-resistant to withstand harsh marine environments Allows the driver to turn the steering wheel more quickly to place the vessel in its intended position Fits 1" x 3/4" oval tubing Package Contents: Sea-Dog SS Steering Wheel Maneuvering Knob Sea-Dog 230106-1: Steering Wheel Maneuvering Knob SS