Adjustable Weight Plate Dumbbell Set 20kg with Carry Case (2 x 10kg)The Adjustable Weight Plate Dumbbell Set is made from cast iron for reliable strength, and is perfect for beginners, with a fully adjustable build offering you variety in weight selection. Simply slide the desired plates onto the bar and then spin on the collars, securing the plates in place. Featuring various weight plates, chrome spin lock collars, and solid chrome spin lock bars. Our spin lock collars provide a quick and safe way of securing your