DESC: If you want to experience dramatic results, then pick up one of the most innovative breakthroughs in home fitness - Bowflex SelectTech Dumbbells. With just a turn of the dial you can automatically change your dumbbells from 5 lbs all the way up to 52.5 lbs of weight! Adjust in 2.5 lb increments (up to the first 25 lbs) so you can gradually increase your strength without bulking up. Backed by a Bowflex 100% Satisfaction Guarantee. Set of two dumbbells.