Tone and sculpt specific muscle groups while increasing strength with the PowerDyne 55lbs Adjustable Dumbbell. Ten (10) adjustable iron weight plates increment from 5lbs up to 55lbs to match your training intensity. To adjust the dumbbell weight, unlock, align to the desired weight, and secure back into place. Safely and securely lift weights with no-slip grip handles. The compact design measures 15.16x 8.54x 9.13-inches in a sturdy and secure storage tray with lifting handles. The perfect addition to your home gym!