Sports Eye Sight Train Five Beads Brock String Vision Convergence Insufficiency Training Tool Target Pointing Practice

Feature: Convergence & Performance: Convergence training using a Brock String can be useful for convergence insufficiency as well as strength and athletic performance. Sports Performance: With 5 tight-fitted beads this Brock String is great for training the eyes in sport-specific positions - giving you the ultimate athletic edge. 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. Iron box storage easy to carry isolates dust. Description: Product name:Eye Sight Train Five Beads Material:Iron box Size:11.4*8.3cm/4.49*3.27in Color: as picture shown Package Included: 1Pcs Eye Sight Train Five Beads with Box Note: Please note that the photo does not show actual size please refer to Description for size details. Please allow differences due to manual measurement thanks. Due to the difference between different monitors the image may not reflect the actual color of the item. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.