- Designed for 2 Inch Olympic Weight Plates - Made from Solid Steel with Superior Chrome Finish - 50cm (20") in Length - Comes with 2 Pairs of Spring Collars - Knurled Grip Design - Adjustable weight plates allow you to customize the weight of the dumbbells to your desired setting. It is designed for improving overall health and muscular endurance as well as encouraging weight loss - The dumbbells can be used to strengthen the upper body by performing various arm, shoulder, back and chest exercises as well as allowing you to practice dead-lifts or squats. It helps to train and strengthen biceps, triceps, quadriceps, hips, buttocks, abdominal muscles, legs and knees at home or in the gym. With effective fat burning fitness equipment, body shaping becomes very simple - This product is made from high quality raw materials and is defect free. It is brand new and comes in original packaging. If you are not satisfied with the product or it has failed your expectations, please contact us and our customer service will try their best to respond to your satisfaction