Train your wrists, forearms, and biceps; ideal for supination and pronation training; highly target your wrists while avoiding the use of your fingers. High Quality Material: Made with 1.5mm thicken heavy duty webbing with a soft padding. Ideal Training: Train your wrists, forearms, and biceps; ideal for supination and pronation training; highly target your wrists while avoiding the use of your fingers. Easy to Use: Use either directly on the wrist or hand with either cable machines or resistance bands. Package included: 1*strap, 1*carabiner, 1*18mm loading pin