Feature:1. Synthetic cardboard handle design, glossy surface, environmental protection and sanitation, saving energy.2. The injection molding process, the arc design at the bottom of the handle, will not scratch your hands.3. It has a wide range of applications and can be used for exercise bikes, bikes, strength equipment, fitness equipment, etc.4. Easy to use and quick to install, and will not take up much of your time, very convenient.5. With compact shape, lightweight and portable, take up no space and you can put it anywhere.Specification:Item Type: Fitness Pop Pull Pin KnobMaterial: Synthetic cardboardColor: Black+SilverHandle Size: Approx. 54x25mm/2.1x1inKnob Diameter: Approx. 16mm/0.6inThread: M16Package List:5 x Fitness Pop Pull Pin Knob