USA BOWFLEX SELECT-TECH 552 DUMBBELLS These adjustable dumbbells replace 15 sets of weights. Weights adjust from 2 to 24 kg (5 to 52.5 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. •15 weight Settings 2, 3, 4, 5, 7, 8, 9, 10, 12, 14, 16, 18, 2