ADJUSTABLE DUMBBELLS SET: Elevate your fitness and performance with strength-training equipment that adjusts with you. These PowerBlock dumbbells have a range of 5-50 pounds per hand, an open design handle, and easy weight identification. COMPACT & PORTABLE: The adjustable, convenient, and compact dumbbells provide innovative strength training for an easy-to-use solution. Bring the workout with you anywhere. Dimensions are 12" L x 6.5” W x 6.5" H EASY & QUICK ADJUSTABILITY: Quickly adjust the weight set up or down for your exercise with the secure magnetic polypropylene pin. Increments include 2.5 (adder weight), 5, 7.5, 10, 15, 17.5, 20, 25, 27.5, 30, 35, 37.5, 40, 45, 47.5, 50 lbs. per hand. LONG LASTING FOR YEARS OF USE: This dumbbell set is engineered with a reliable build for years of use. Replace 16 pairs of dumbbells, equivalent to 825 lbs of free weights for an all-in-one strength training solution. Comes with a 5-year warranty. EXPANDABLE WITH EXPANSION KITS: PowerBlock offers PowerBlock EXP Stage 2 and Stage 3 Expansion Kits to increase the weight to 70 or 90 pounds per hand as your fitness level grows (sold separately).