10-in-1 Adjustable WeightsThe adjustable dumbbell offers a weight range from 10 to 55 lbs in smooth 5 lb increments (including 10/15/20/25/30/35/40/45/50/55 lbs), allowing for gradual resistance progression to make every breakthrough easier Space-efficient DesignThe compact design of the weight dumbbell is perfect for home gyms, helping you get the most out of your workouts without taking up much room. The small size makes it easy to storesay goodbye to the clutter of 10 separate dumbbell Dual Safety Locking SystemThe secure double-locking mechanism allows weight adjustment only when the dumbbell is on the sturdy PP tray. Once lifted, it automatically locks to prevent the weight plates from sliding or detaching during use, ensuring a safe and stable workout 1-Hand Rapid AdjustmentPlace the weight dumbbell on the tray, then simply rotate the handle with 1 hand to switch weights quickly and effortlessly in just 1 second. The clear dial ensures easy reading and