10 Foot Brock String - Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More!
Brand: Brock String
Color: White

This Brock String is 10 feet in length and is great for sports vision training, convergence insufficiency training, and more! Click 'Add to Cart' Now!

10 Foot Brock String
Convergence Insufficiency Trainer
Sports Vision Training
5 Tightly Fitted Beads on High Quality String
Instructions Included