Pair of 2 Inch Olympic Size Locking Barbell Lock Collar with Quick Release Red Secure Snap Latch Material:High quality ABS The collar fits for 2 inches Olympic standard size barbell. Quick snap collars are a innovative design, superior durability and exceptional performance is perfect choice for any Olympic style bar. Helps improve your safety in your workout- Rubber padding on each collar helps grip on Barbell to stop plates moving during Reps! Package includes: 2 pieces of Barbell collar