The Glorious Rotary Knob’s sleek unibody is machined from high-quality aluminum. Its textured exterior provides perfect grip for precise rotations. Easily to install, just pull off your current knob and press on its replacement in seconds. Elegant design, limitless function, easy-to-install accessory. Get the perfect amount of grip with every spin. Just pull the original knob off by hand and firmly press the new one until its tightly in place. Customize your GMMK PRO even further with a replaceable top frame - available in a variety of exciting colors.