1INNOVATIVE DESIGN: Featuring an innovative design, it is a multi functional weight reduction aid pin that can help you achieve your fitness goals. 2DECREASE AND REDUCE WEIGHT: By adjusting the position of the pin, you can gradually increase or decrease the weight, helping you to gradually improve your fitness effect. 3WIDELY USABLE: Whether in the gym or at home, you can conveniently train with decreasing weights, making fitness more convenient and flexible. 4STRONG AND DURABLE MATERIALS: The weight stack pin is made of strong and durable materials such as ABS plastic, stainless steel and steel to ensure its long lasting use and safety. 5FLEXIBLE WEIGHT ADJUSTMENT: The weight stack pin allows you to flexibly adjust the weights to meet your individual fitness needs and achieve better training results.