MARKWORT ARM STRONG PITCHING & THROWING TRAINER

Product description

• Patented rotating ball for realistic training, sports-specific motion, and superior comfort. 
• Safely trains proper muscles to give more power, velocity, and accuracy. 
• Quickly clips to a fence or anchor. 
• Three tubes: Orange (Light) Blue (Medium) and Black (Heavy). Seven resistance levels. 
• Attachments for indoor and outdoor use. 
• For players of all levels.