With the ProForm 50 Lb. Adjustable Dumbbell Set, each dumbbell can become five dumbbells. Quickly modify each dumbbell in 10-pound increments, from 10 to 50 pounds. Based on your fitness level, you can turn one dumbbell into a 10 pound, 20 pound, 30 pound, 40 pound, or 50 pound dumbbell. CONSTRUCTION & DETAILS: Turn 5 dumbbells into one to declutter your home gym Quickly change weights by placing the dumbbell back in its tray, selecting your weight, and continuing your workout The included storage trays give your dumbbells a secure and elegant way to store in your home Durable steel construction with a sleek, aesthetically-pleasing finish, perfect for your home Each dumbbell goes from 10 to 50 Lb. in 10-pound increments Ergonomic textured handles for optimal grip strength Pull weight selector to adjust from 10 to 50 Lbs. in seconds Dumbbells allow you to perform a huge variety of movements to target your lower and upper body