The 1/4" Preset Black Knob from Watts Fluidair is a precision control knob designed for easy adjustment in pneumatic systems. This component is crafted from durable materials to withstand rigorous use, ensuring longevity and reliability. Its compact size allows for seamless integration into various applications, while the preset feature provides consistent performance. Ideal for use in air regulators and control valves, this knob enhances user experience by allowing quick and accurate adjustments. The black finish not only adds a sleek look but also provides resistance to wear and tear, making it suitable for both industrial and commercial environments.