Aluminium Olympic Lock Collars Pair Barbell Clamps Clips QuickAluminium Olympic Lock Collars Pair Barbell Clamps Clips Quick When you are weight training, you want an easy and fast solution to changing plates. This saves precious training time and allows you to focus on what really matters weight training and powerlifting. You also need lock collars that are going to keep your plates secure while you train to provide a safe exercise environment. That is why, at Randy Travis Machinery, we provide Olympic standard