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Easily change aerobic weight plates. The Tunturi ABS spring collars enable you to quickly change weight plates during a workout. The plates can be removed by squeezing the spring collars. The Olympic dumbbell collars have a 30 mm diameter. These spring clips can be attached to all bars with a 30 mm diameter. Delivered in pairs.

TUNTURI Unisex's Weight Accessories Abs Collars Black One Size - B1MCB8OIX