Power Systems Grizzly Fitness Padded Ankle Strap, 3-Inch Cuff with 2 D-Rings, Accessory for Cable Machine Systems or Resistance Bands (65186) For use with weight stack equipment to strengthen and tone leg muscles Steel D-rings hold up to 750 pounds Adjustable closure customizes fit Leather and nylon with interior comfort lining Resistance and weight training accessory for speed, agility, strength, power, running, football, volleyball, basketball, baseball, soccer and all other athletic, fitness, weight, or cross training Synthetic leather with Borg padding. Double D-Ring attachment Velcro closure.