Description: 【Material】: M10 Plum Knob is Made of plastic and metal screws, it ensures durability and strength, providing stable tightening effects that can last for a long time without easy damage. Ideal for long term use in various applications. 【Universal Size】: M10 Star Knob With the standard M10 size, it is compatible with a variety of devices and accessories, such as fitness equipment and other devices requiring bolts and knobs, offering a wide range of applications. 【Ergonomic Design】: Clamping Handle Nut unique quincunx shaped handle design makes tightening and loosening easier and more labor saving, providing better grip and operational control, suitable for frequent long term use. 【Anti slip Feature】: Threaded Handle anti slip plastic design on the top of the knob ensures a good grip even in wet or greasy environments, preventing slippage and ensuring safer operation. 【Easy Installation】: Screw On Knob Grip design of the screw and nut allows for quick installation and removal without the need for complex tools, making it simple to operate for all kinds of repair, adjustment, and replacement work. Size Chart: Outer diameter 6.1cm/2.40inch Nut 1cm/0.39inch Height 3.45cm/1.36inch Package Includes: 1 M10 Plum Knob Note: Please allow slightly errors 1-2cm differences due to manual measurement.