The Schmitt & Ongaro Shift Knob (part number 50030) is a replacement or upgrade component designed for specific marine control systems. This 1-1/2" shift knob features a smooth finish and is constructed from 316 cast stainless steel, offering durability in marine environments. It is engineered to fit Morse MY-3, MV-2, Twin, and Single Controls that utilize 3/8"-24 threads. This product is intended for businesses or IT departments managing marine fleets or equipment where maintaining ABYC specifications is required.