This revolutionary concept enhances dumbbell training. The problem has been how to get heavy dumbbells into position so you can maintain a proper range of motion without undue stress on your joints. Power Hooks snap on to your dumbbells and hang onto your overhead barbell. This puts you in proper lifting position without having to lift the dumbbell from the floor. This eliminates undue stress on joints. Now with the use of Power Hooks, dumbbell training can be sager and more intense. It allows you to utilize all you barbell equipment efficiently for dumbbell training. Power Hooks fit all standard and Olympic size dumbbells.