Materials: The Wrist Ball is machined out of a sloid piece of Nylon and features a rubber non-slip band across the center. It is attached by a Nylon webbing strap with a stainless-steel loop and carabiner

Construction and Features: The Wrist Ball is a great tool for training your pronation and side pressure. The grooved non-slip surface as well as the rubber non-slip band keeps your hand firmly on the Wrist Ball while training. The large 7cm diameter forces your fingers to get in on the workout and help train your overall grip strength. The Wrist Ball has an impressive 300lb weight capacity, so you can be sure this product will be relevant no matter how strong you get!

Dimensions: The Wrist Ball is 7cm in diameter and weighs in at 0.42kg