With just the turn of a dial, you can automatically change your resistance from 15 lbs all the way up to 55 lbs of weight.
This single dumbbell has a total weight of 55lbs with 10lbs adjustable in each level. The user can simply put it on the included tray, and the safety lock will automatically be opened.
Just simply rotate the non-slip handle, you can freely switch the dumbbells between five different gears of 15, 25, 35, 45, and 55 lbs.
Lift the dumbbell and you can get the load you want. Different from the two-step adjustment on the market, this is a true one-key adjustable dumbbell. It saves you the space of the home gym while getting the most convenient access.