Come and see our amazing products. 10kg - 60kg adjustable range, You can adjust the strength tension from 10kg to 60kg by turning the red rotary knob. An excellent training tool that strengthens your hands, wrist and forearm. Small, exquisite, lightweight and portable, you can carry it with you to exercise anytime. Suitable for the office crowd and sports enthusiasts. Pls confirm with us about the packing info, stock color and exact production time before placing your order.