Spri Baseball Xertube® - Blue/Heavy Resistance

The Spri Baseball Xertube® is the most effective training tool for pitchers.

Safely warm up and strengthen the throwing arm with the Spri Baseball Xertube®, while preventing shoulder injuries.

This Spri Baseball Blue Heavy Resistance Xertube® includes a door attachment.

 

One instruction sheet per order.

Spri Baseball Xertube® is available in varying resistance levels.