Description: Quality Material: Crafted from premium aluminum alloy, this weight stack pin is designed to endure rigorous gym sessions, ensuring durability and longevity, making it a reliable choice for your fitness needEasy to Use: Designed for convenience, this weight pin can be effortlessly inserted and removed from weight stacks. The ergonomic handle provides a grip, allowing you to make quick and safe weight adjustments during your workoutAdvanced Muscle Engagement: Enhance your workout efficiency with our weight machine pin replacement that allows pre selection of various weight levels in 1 set. This feature promotes better muscle activation and engagement, optimizing your fitness routineUniversal Fit: With a standard diameter of 0.78 cm/0.31 inch, this versatile weight loading pin fits most gym equipment seamlessly. It's an ideal accessory for home gym, fitness studios, or commercial gym looking to upgrade their equipment compatibilitySecure Locking Mechanism: Engineered with a solid design, this weight stack pin ensures secure locking into place during use. You can confidently adjust weights without the worry of the pin slipping out, ensuring and stability throughout your workout Specification: Material: Aluminum Alloy Size Chart: Diameter: 0.78 cm/0.31 inch Package Includes: 1 Weight Stack Pin Note: Please allow slightly errors 1-2cm differences due to manual measurement.