New Markwort Swing Buster Pro-Model Hands Back Hitter Training Aid some stains. and the complete elimination of

and the complete elimination of vibration and sting

providing outstanding protection and ideal comfort PowerLock Technology for the simplest and most secure fit around

Dirty end cap and grip

Used Good condition Cleat marks on barrel and end cap

support key muscle groups and the elbow joint while helping circulation through the fingertips

New Markwort Swing Buster Pro-Model Hands Back Hitter Training Aid some stains. and the complete elimination ofSpring loaded power source allows use of balls of varying weights and sizes. Rigid steel construction. With instructional CD. The perfect tool that helps promote the proper swing. Uses all type bals, real and plastic, baseball and softball. Includes 12 medium weight plastic balls.