Relefree Pair Of Vinyl Spinlock Collars Fit For 1" Standard Weight Lifting Barbells Dumbbell Bars Training Gym Sports High Quality & Durable: Relefree Vinyl Spinlock Collars are made from robust and durable material for long lasting use. Barbell clamps can keep weight plates placed securely and safely while lifting. Widely Applicable: Perfect for bumper plate use, standard Olympic lifting, and platform lifting workouts. They will fit all 1" standard weight lifting barbells or dumbbell bars including Crossfit workouts, overhead press, dead lifts, bench press. Ultra Safe: Using weight collars is an easy and quick way to move your plates around as well as providing you with ultra balance and stability. Exquisite Design: Each package includes a pair of black collars barbell, easy to use and install. You can use it at home or put it in your bag to take them to gym for playing with friends, especially convenient for you. Great Gift: The collar set is a great gift for lifting lovers. Our products are satisfaction guaranteed, if you are not satisfied with your purchase, you can contact us to return them for a full refund -no questions asked.