Description: 【Package Included】: Pin Knobs for Stationary Bikes Knob. Sports bike pull pin bolt knob is compact, lightweight, and easy to use. 【Widely Used】: T shaped handle knob pin for most exercise bike equipment, fitness equipment, some weight benches, etc. 【Quick Release】: The knob thread bolt pull pin has built bolt handle, which will not scratch your hands when winding, convenient for use. 【Easy to Use】: The bolt knob screw replacement part is quick to install, easy and labor saving, easy to store, and easy to carry. 【Applications】: The fitness bike pull pin bolt knob is a good accessory, widely suitable for strength and fitness equipment, exercise bikes, etc. Specification: Material: Plastic Size Chart: 7cmx5cm/2.76inchx1.97inch Package Includes: 1 Pull Pin Bolt Knob Note: Please allow slightly errors due to manual measurement and different monitors.