The PRCTZ . 10-50 lb (5-23kgs) Adjustable Dumbbell is offered in multiple weight levels for you to choose from and its chrome contoured handle design allows this dumbbell to fit any free weight and strength training exercise at home or group workout with training partners! Our adjustable dumbbell has functional details such as textured handle for a tight and secure grip . built-in rotating dial system on the handle for weight plate adjustment from 10lbs . 20lbs . 30lbs . 40lbs . 50lbs . and a compact weight tray to save your space in your home gym.