The Diliboz 2 inch Black Barbell Collars are designed for safety and stability in strength training and weightlifting. Made of durable nylon and plastic material, these non-magnetic collars feature a compact design and easy-to-use functionality. With a 2 inch diameter and included components, these barbell collars are perfect for maximizing sleeve space and providing load-bearing support during workouts. Whether you are focusing on training or improving your overall fitness, these barbell collars by Diliboz are a reliable and essential addition to your home gym equipment.