Throw faster gain accuracy and reduce injuries! The Arm Strong complete Pitching & Throwing trainer will help accomplish all of the above with its patented rotating ball and resistance tube design. The Arm Strong trainer comes with three bands of increasing resistance allowing the player to train with up to seven different levels of resistance. Package includes rotating baseball three resistance bands door-stop attachment and travel bag for storage. Also included are instructions and details for various training exercises to get started right out of the box.