FEATURES:

• Improve pitching mechanics through overload and underload training
• Build arm strength and promote blood flow and active recovery
• Includes five weighted plyometric balls for versatile training
• Pliable material allows you to see impact
• Come with custom drills for each weight option

ADDITIONAL DETAILS:

• Weight options include 3.5oz., 5.25oz., 10oz., 15oz. in a 9” circumference and 20oz. in a 12” circumference