Chris Sajnog 25 Yard Sight-in Targets for a 100-Yard Zero - USE RED DOT Optics
- Convergence & Performance: Convergence training using a Brock String can be useful for convergence insufficiency, as well as strength and athletic....
- Sports Performance: With a 6-foot long string and 5 tight-fitted beads, this Brock String is great for training the eyes in sport-specific positions....
- Easy To Use: You can use Brock String right from the comfort of your home with a very short learning curve involved..
- High Quality: This Brock String is designed with an extremely high quality, and highly durable string and beads..