Quality Material: Constructed from steel , this weight stack pin ensures a long time performance, making it a reliable choice for your strength training needsEasy to Use: Easily adjust the height of your weight plates with minimal effort, allowing you to add more weight and strengthen your workouts seamlessly.Versatile Use: Ideal for gym, fitness studios, and weightlifting projects, this Weight Stack Extender enhances your workout options and complements various training programs.Essential Fitness Accessory: Simply insert the pin into your weight plates and adjust the load according to your training requirements, suitable for all fitness levelsGreat Gift: It is a great gift for family, friends, and lovers, who like fitness Specification: Material: Steel Size Chart: 11 cmx0.8 cm/4.33 inchx0.31 inch (3 Round Spring Clip) Package Includes: 1 Weight Stack Pin1Spring Clip Note: Please allow slightly errors due to manual measurement and different monitors.