Quick change of the working weight. Forget the horrible spring collars and the useless waste of time. You will need just a few seconds to change the working weight. Your training sessions will become more intense, and you will be able to achieve better results. Safety. The special design of the collar ensures secure plate fixation on the bar. Reliability. Durable cast body and high-pressure grip pads make these collars virtually indestructible! Diameter: 2”. Works perfectly for CrossFit, Olympic weightlifting, heavy lifting and any training with an Olympic bar. Material: High-strength nylon. Warranty: If you are not satisfied with quality of the product, simply send us a letter and we will either replace it or give you a refund! Click «Add to Cart» and get your Barbell Collars right now!