The magnetic design of the weight stack pin ensures that they are secure and won't come loose during your workout. The weight stack pin is designed to be easy to attach and remove, making them a convenient addition to your home, gym or workout routine. Features - Color: Silver -Material:Aluminium alloy,iron - Size: 15.00X4.50X1.00cm/5.89X1.77X0.39in -Made of aluminium alloy,iron material, high strength, sturdy and strong. Adjustable rope length to fit different heights. -The plug-in locking mechanism makes it easy to adjust the weight plates. Can be used for a variety of exercises. -The magnetic design ensures that the weight plates stay securely in place. -Used with your fitness pulley system, effectively improve your strength training. -Perfect for various warm-ups sports and strength workouts like arms, shoulder or back training. Package list: 2 x Weight Loading Pin