2 Pack 2 inch (50mm) Weight Lifting Bar Lock Clamp Collars Red Key benefits Secure plate retention that prevents plates from sliding during sets, letting you focus on form and workout flow. Quick to attach and remove, saving time between exercises and plate changes. Two collars included so both ends of a 2 inch 50mm barbell can be secured for balanced performance. What it does Lock clamp design holds weight plates firmly on standard 2 inch 50mm barbell sleeves. Visible red finish makes the collars easy to locate in busy gym settings or home racks. Sold as a pair to cover both sides of the barbell for safe, stable lifting. Compatibility and size Sized for standard 2 inch 50mm barbell sleeves. Designed for use with standard weight plates on gym or home barbells that accept 2 inch 50mm collars. Practical features Simple clamp action allows fast installation and reliable locking during common lifts. Compact profile keeps collars out of the way while maintaining a strong hold on plates. Two piece set ensures equal securement on both ends of the bar. Use scenarios Home gym bench press session: secure plates quickly between warm up and working sets to maintain consistent plate position. Strength training class: red collars are easy to spot and swap during timed circuits when multiple users share bars. Garage gym or workout area: pair with standard 2 inch 50mm barbells for deadlifts, squats, and overhead presses where plate stability matters. What to expect A practical pair of lock clamp collars sized for 2 inch 50mm bars, designed to keep plates stable and workouts running smoothly.