Adjustable Dumbells 5-52.5lbs (Pair)These adjustable dumbbells replace 15 sets of weights. Weights adjust from 5 to 52. 5 lbs in 2. 5 lb increments up to the first 25 lbs. Easy to use selection dials for adjusting weights. They are sold as a pair. Easily switch from one exercise to next and with the turn of a dial you can change your resistance, enabling you to gradually increase your strength. Versatile workout for your legs, back, chest, abs, shoulders and arms.