If you want to get a good strength workout at home, but don"t have much space, the Bowflex 552 SelectTech Dumbbells are an ideal solution. Newly designed, the innovative pair of 552 SelectTech Dumbbells combines 15 sets of weights into one using a unique dial system. It"s one of the most space-efficient and flexible strength-training options available with its unique and effective design. With just the turn of a dial, you can automatically change your resistance on each dumbbell from 5 pounds all the way up to 52.5 pounds of weight. It adjusts in 2.5-pound increments (up to 25 pounds), enabling you to gradually increase your strength without bulking up. Special Bonus FREE Bowflex® SelectTech® workout DVD - "Secrets of the 4 Step Rep" - with every purchase. Get the most out of your workout - work smarter, not harder. Over 30 exercises with over 80 variations. Specifications: Change the dumbbell"s weight with just the turn of a dial. The SelectTech 552 dumbbells adjust from 5 pounds all the way up to 52.5 pounds of weight. Weight Range: 5 to 52.5 lbs (2.27 to 23.8 kg) for each dumbbell Exercises Available: 30+ Weight Settings: 15 Weight Settings in pounds: 5, 7.5, 10, 12.5, 15, 17.5, 20, 22.5, 25, 30, 35, 40, 45, 50, and 52.5 pounds Dumbbell Dimensions (Each): 15.75 inches long by 8 inches wide by 9 inches tall Weight (Each): 52.5 pounds / 23.8 kg Leg Exercises: Wide squats Calf raises Stationary lunges Stiff-leg dead lift Reverse lunge Side lunge Back Exercises: Alternating rows Wide row Dead lift Chest Exercises: Flat chest press Incline chest press Flat fly Incline fly Decline chest press Abdominal Exercises: Ab crunch Reverse crunch Lying trunk rotation Twisting side crunch Lying leg raise Arm Exercises: Standing curls Concentration curls Incline bench curls Scott curls Overhead triceps extension Triceps kickback Lying triceps extension Hammer curls Shoulder Exercises: Standing shoulder press Lateral raise Seated overhead press Front raise Rear delt row Shrugs Manufacturer"s Warranty Two-year limited warranty on all parts and weight plates; one-year warranty on labor Compare these Weights Model Universal Kettlebell Kit (5 to 10 Pounds) Universal Kettlebell Kit (10 to 20 pounds) Universal Power-Pak 445 Adjustable Dumbbells with Stand (Combo) Bowflex SelectTech 552 Adjustable Dumbbells (Pair) Bowflex SelectTech 1090 Adjustable Dumbbell (Single) MSRP $129.00 $399.00 $499.00 $549.00 $399.00 (single) $798.00 (pair) Weight Range 5 lb bell 7.5 lb bell 10 lb bell 10 lb bell 15 lb bell 20 lb bell 4 to 45 pounds per dumbbell 5 to 52.5 pounds per dumbbell 10 to 90 pounds per dumbbell Number of Weight Settings N/A N/A 9 15 17 Weight Settings (lbs.) 5, 7.5, 10 pounds (one of each) 10, 15, 20 pounds (one of each) 4, 10, 15, 20, 25, 30, 35, 40, and 45 pounds 5, 7.5, 10, 12.5, 15, 17.5, 20, 22.5, 25, 30, 35, 40, 45, 50, and 52.5 pounds 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, and 90 pounds Warranty Kettlebells: 6 Months Stand: 1 Year Kettlebells: 6 Months Stand: 1 Year 1 Year Parts: 2 years limited Plates: 2 years Labor: 1 year Parts: 2 years limited Plates: 2 years Labor: 1 year Dimensions Stand: L: 17 in / 43 cm W: 17 in / 43 cm H: 28 in / 71 cm Stand: L: 17 in / 43 cm W: 17 in / 43 cm H: 28 in / 71 cm Dumbbells: L: 14 in / 36 cm W: 15 in / 38 cm H: 7 in / 18 cm Stand: L: 17 in / 43 cm W: 19 in / 48 cm H: 25 in / 64 cm Dumbbells (each): L: 15.75 in / 40 cm W: 8 in / 20 cm H: 9 in / 23 cm Dumbbells (each): L: 17.5 in / 44 cm W: 10 in / 25 cm H: 10 in / 25 cm Stand Included Included Included Not Included Not Included Workout Guide Included Included Included Not Included Not Included "Secret of the 4 Step Rep" Video Not Included Not Included Not Included Included Included