This accessory is specifically designed for fitness machines, providing users with a convenient and efficient way to adjust and secure various components. The ball-shaped rotating pull pin knob offers a comfortable grip and allows for adjustments. The pull pin ensures stability and safety during intense workouts, providing users with a smooth and enjoyable exercise experience. Features -Color:Black -Material:ABS -Size:6.50X5.50X5.50cm/2.55X2.16X2.16in -Convenient accessory for fitness machines: enhances the functionality and convenience of fitness equipment - adjustments with the ball-shaped rotating pull pin knob: allows users to and effortless adjustments to the equipment -Ensures stability and safety during intense workouts: provides a secure and stable platform for users to perform intense exercises without compromising safety -Firm materials for durability and resistance to wear and tear: made of sturdy ABS materials to ensure long-lasting performance and withstand regular use -Universal design for compatibility with different types of equipment: designed to fit various types of fitness machines, making it versatile and compatible with a wide range of equipment Package list: 2 x pull knobs