STELLAR GRIP - Our Barbell Collars fit securely around a standard 2 diameter Olympic barbell to provide a resilient, won t-let-up grip to keep your bumper plates in place no matter how many you have on the bar! HIGH QUALITY CONSTRUCTION These Collars are made from durable and lightweight aluminum. Unlike plastic competitors, our collars have a rubberized lining to ensure a strong hold and protect the bar. This grip pad runs the circumference of the bar to provide even, locked-in support. EFFORTLESS TO USE Our lock and release design is simple and solid. We made our collars easy to use to ensure you waste no time during your training. Quickly change the plates on your barbell to maximize gains. The collars are lightweight and transportable, so you can bring your personal, head-turning collars wherever you workout! WHAT S IN THE PACKAGE This package comes comes with (2) 2-inch in diameter, fine-looking, quick-release collars in Silver. NO SWEAT Leave the sweating and swearing for your training! Buying from Synergee means quick and caring customer service! Customer Satisfaction is our Number 1 Goal!