FitRx AnkleBell Leg Weights Adapter (GREAT shape) Works with virtually any dumbbell up to 90lbs. Materials – PA66, Polyester, EVA Max Load Capacity – 90lbs. Max Handle Diameter – Up to 1.6in. Shoe width – Up to 4.1in Utilize your dumbbells to optimize lower-body training Easy-to-use straps and clamp system Space-saving design is the perfect addition to any home gym; no bulky leg machines are needed Some wear on the bottom but otherwise in GREAT shape