Elesa U.S.A. Corporation Female Wing Knob ESP-606

Wing knobs are designed to give good leverage with minimal grip strength, making them ideal for applications that require frequent tightening and loosening, or in more precision applications. These knobs do not require tools and can be easily adjusted using only a thumb and forefinger, similar to thumb screw knobs, but with an added arm. We carry wing knobs in a wide variety of thread sizes from 1-inch wing knobs to 3-inch wing knobs, ensuring you'll find exactly what you need by the manufacturer you trust. . Black Glass Fibre Reinforced Plastic Female Wing Knob has a Threaded Insert for mounting onto 5/16-18 threads. The Thumb wing design is easily gripped for frequent tightening.