Cap Barbell Olympic 2-Inch 3-Grip Cast Iron Plate, Single CONSTRUCTION  Made of solid cast iron with a machined center hole and a gray baked enamel finish. The 12-sided design prevents rolling and the 3-hole grips allow easy handling. These weights have a 2 center hole to fit on Olympic bars. FEATURES  Each weight (5 lb & heavier) features grip holes to provide a secure grip during use; rubber coating ensures a durable weight that will last & prevents damage to equipment & floors. 12-sided design prevents weights from rolling. VERSATILE  Weight plates can be used to perform muscle strengthening exercises and endurance training, and to increase flexibility and balance. A single weight plate can also be used for warm-up exercises. CHOICES  These weights are available in 2.5, 5, 10, 25, 35 and 45 lbs. There are grip holes on the 5, 10, 25, 35, and 45 lb weights for a secure grip when loading and unloading the weights. Each weight sold individually. TRUST  Trust experience. CAP has been a pioneer in the fitness industry for over 30 years with locations worldwide. Chances are, if you have ever worked out before you have used a CAP product.