Description: -Constructed of high-quality, textured chrome handle for secure, firm, and non-slip grip;Durable molding around the metal plates provides for a smooth lift-off and quieter workouts – This is single dumbbell.Each dumbbell adjusts from 5 to 90 pounds; adjusts in 2.5-pound increments up to the first 25 pounds ;With just the turn of a dial you can automatically change your resistance from 5 lbs,all the way up to 90 lbs of weight – Combines 15 sets of weights into one, using a unique dial system; Select the weight you want with a turn of a dial;Lets you rapidly switch from one exercise to the next – Take seconds to assemble and take out. Compact, convenient, and easy to use and store. All-for-one dumbbells eliminate the need for multiple dumbbells in your workout space – With a wider weight range you can do heavy exercises such as shrugs and lunges, as well as lighter exercises such as curls and raises; Suitable for performing basic toning body workouts, core fitness, strength exercises and heavy leg lifts