BB 918 adjustable clamp These grips are designed for exercising the muscles of the hands and forearms. Resistance can be adjusted to suit individual needs. Patented resistance adjustment technology. Two-tone finish. Product description: the ability to adjust the resistance to individual needs patented resistance adjustment technology two-tone finish Application: The clamps are designed to exercise the muscles of the hands and forearms. They are also used in the rehabilitation of fingers and hands. used in the treatment of joint and muscle diseases thanks to the mechanical repetition of various movements