Material: The gym weight stack pin is made of iron and plastic, offering sturdy construction. It is durable, reliable, and built for long-term use. Ease of Use: Inserting and removing the weight pin from weight stacks is smooth and effortless. The ergonomically designed handle ensures a secure grip, enabling safe and efficient weight adjustments. Magnetic Design: Features a magnetic design for quick attachment and secure fastening. With Cord Design: Includes an anti-loss stretchable lanyard and ring that can be attached to your fitness equipment. Occasion: Ideal for gym, fitness, weightlifting, exercise, and training. Simple and quick installation makes it easy to use for all users. Notice: 1. Actual color may vary slightly due to lighting effects. 2. Please allow 13 cm variation due to manual measurement. Material: Plastic + Iron Size: 8x80mm / 8x125mm / 8x100mm / 10x80mm / 10x105mm