The ROUGE Barbell Clips LOT Of 3 includes (1) Rogue USA Aluminum Collar with Cerakote finish and (2) regular collars. Made by Rogue Fitness, these Olympic collars are designed for unisex adults and have a 2-inch diameter. The lightweight design, weighing only 0.79 pounds, makes them easy to use during gym and training sessions. The cerakote finish adds durability and protection to the aluminum collars, making them a reliable choice for strength training and fitness enthusiasts.