Smart Dumbbell Adjustable for Training and Exercises 24kg

Weight adjustment, equivalent to 15 pairs of individual dumbbells, exercise different parts. Just press the handle, pull the adjustment knob up and move it left and right to easily set the weight you want. Rotate to increase or decrease the weight freely, without disassembling the safe dumbbell. The rotary button can only be operated when you are on the dumbbell bench. When you are training, you don't have to worry about the dumbbell falling off. Boat-shaped design, with anti-slip particles