Features: Precise Sound Control : Features enhanced call mechanism for smooth sound adjustment, offering better sensitivity than traditional keyboard controls. Ideal for music producers and gamers who frequently adjust sound settings. Sturdy Plastic & Metal Construction : Combines plastic and metal materials for long lasting quality and resistance to wear. Suitable for both work environments and home entertainment setups. Wide Keyboard Compatibility : Works with most GK980 and GK75 keyboard models without additional adapters, addressing attachment issues for users with multiple devices. Fast Installation Design : Unique clip mechanism allows quick setup in seconds, enhancing convenience for users who need quick accessory changes, especially in urgent situations. Comfortable Grip & Easy action : Smoothly finished exterior provides pleasant touch response, reducing discomfort during prolonged use. Perfect for computer users and gamers who spend extended periods at their desks. Specifications: Materials: Plastic + Metal Appearance: Cylindrical, Umbrella-Shaped(optional) for GK980 GK75 Package Includes: 1Set Knob Switches note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.