Powergainz Olympic 2-Inch Cast Iron Plate Weight Plate For Strength Training, Weightlifting And Crossfit

45 LB Set: 2x 2.5LB, 4x 5LB, 2x 10LB, a pair of safety clips. Made of solid cast iron with a 2-inch center hole, it fits Olympic bars with diameter of 2. It can also be used with 2 dumbbell bars. Weight plates can be used to perform muscle-strengthening exercises, endurance training, or to increase flexibility and balance.