Perfect for your strong lifts, powerlifting, weight lifting or any other Olympic bar workout. These quick release collars fasten to all 2" olympic barbells ready for your workout. They're easy to use one-handed with the spring powered snap-latch design to keep you safe. Perfect for use with cast iron plate weights, cast iron grip plates and rubber grip plates, and a must for all standard home gyms and professional gym owners. Suitable for weightlifting exercises at home or at the gym. Fastens to all 2 inch Olympic Bars. Easy to use one-handed. Size H8.5cm, W8.5cm, D4.5cm. Weight 0.35kg.