Material: Pull Pin is made of steel and nylon to ensure durability and reliability in a variety of applicationsVersatile: Pull Pin Spring Knob is designed specifically for fitness equipment, providing a secure and adjustable fit, making it an essential part of your fitness equipmentSnug fit: Fitness Pins provides a snug fit while maintaining ease of use during adjustmentUser friendly design: Exercise Handle has an ergonomic handle that allows for quick and easy installation or removal, improving user conveniencePackage: Contains 1 Exercise Bike Locking Pins, ensuring you have everything you need to maintain upgrade your fitness equipmentSize Chart:9.6cmx5.6cm/3.78inchx2.20inchPackage Includes:1 Pull Pin KnobNote:Please allow slightly errors due to manual measurement and different monitors.