The Ankle, 9.1kg. = 20, 9.1kg. wts. All Pro Adjustable Therapeutic Ankle & Wrist Weights is a great value and is internationally licenced by Preston with a limited lifetime warranty. Model number 515804 is categorised in the Weights Department. Description: Patented weights feature contour foam, wraparound construction and quick-touch fasteners with extra-strength grommets for easy storage. Cushioned flaps keep weights secure and provide friction-free comfort. Sold individually. Latex free.