Grayhill's 11K5013-KCNB control knob accessory is a versatile component designed to complement Grayhill encoder and rotary switches. Available in standard black or gray, these knobs provide a secure and ergonomic interface for precise control. The accessory offers flexibility with options for spring clip (press-on) or metal insert with set screw versions. Customization is a key feature, allowing for tailored materials, styles, colors, and markings to meet specific application requirements. These knobs are ideal for industrial equipment, instrumentation, and other applications requiring robust and reliable rotary control.