The PRCTZ, 10-30lb (4.54-13.61kg) Quick Select Adjustable Dumbbell comes with one adjustable dumbbells quick and easy weight adjustments from 10 to 30 lbs. The dumbbell's weight selector dial features a safety locking system. The anti-slip 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 weight selector with safety locking system for weight plate adjustment from 10lbs, 15lbs, 20lbs, 25lbs, to 30lbs, and a compact weight tray to save your space in your home gym.