So you would like to strengthen your arm, wrist, and forearm muscles? Sportneer’s Wrist Flex Strengthener has you covered. It enables tennis players, golfers, climbers, and other pros improve their strength and performance. The device is made of carbon steel springs with a thick 10mm foam stabilizer pad.
The Wrist Flex Strengthener weighs only 1 pound. It is available for under $10 at this time.