This wrist strengthener is made with heavy duty carbon steel springs and thick 10mm foam stabilizer pad for extra comfort and cushion. Wrist booster made of high-strength stainless steel springs and thick foam stabilizer pad for comfort and cushion; finger stretchers and hand grip made of healthy and silicone material, odorless, soft, and comfortable. This wrist and forearm developer provides forearm and wrist support for maximum safety and comfort.
