---
product_id: 294748062
title: "BFR BANDS Vision Convergence Training Tool Train Vision Improve Strength & Athletic Performance And More 6 foot White"
brand: "brock string"
price: "150 zł"
currency: PLN
in_stock: true
reviews_count: 5
category: "Brock String"
url: https://www.desertcart.pl/products/294748062-bfr-bands-vision-convergence-training-tool-train-vision-improve-strength
store_origin: PL
region: Poland
---

# 5 tight-fitted beads for precise eye focus 6-foot length for versatile training Durable nylon-polypropylene build BFR BANDS Vision Convergence Training Tool Train Vision Improve Strength & Athletic Performance And More 6 foot White

**Brand:** brock string
**Price:** 150 zł
**Availability:** ✅ In Stock

## Summary

> 👁️‍🗨️ Sharpen your vision, sharpen your game!

## Quick Answers

- **What is this?** BFR BANDS Vision Convergence Training Tool Train Vision Improve Strength & Athletic Performance And More 6 foot White by brock string
- **How much does it cost?** 150 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/294748062-bfr-bands-vision-convergence-training-tool-train-vision-improve-strength)

## Best For

- brock string enthusiasts

## Why This Product

- Trusted brock string brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Premium, durable materials ensure your training tool withstands daily use without wear
- • **Precision Focus:** Beads slide smoothly yet stay firmly in place, allowing customizable and consistent eye training
- • **Train Like a Pro:** 6-foot Brock String with 5 beads targets sport-specific eye convergence for that competitive edge
- • **Effortless Mastery:** Simple setup and quick learning curve means you can start improving vision from home immediately
- • **Boost Athletic Performance:** Clinically proven to improve convergence insufficiency and enhance strength through vision training

## Overview

The BFR BANDS Vision Convergence Training Tool is a 6-foot Brock String equipped with 5 durable beads designed to improve eye convergence and athletic performance. Made from high-quality nylon-polypropylene, it offers a simple, effective way to train your eyes at home, enhancing focus and strength with a sport-specific edge.

## Description

You'll simply love just how easy this Brock String is to use! This Brock String is 6 feet long and comes with 5 beads that fit nicely on the string so you can train convergence at different angles. All you have to do is hold an end against your nose, and try to bring your eyes together at the center of each bead. Click 'Add to Cart' now!

Review: It arrived in a good condition, both the bead and the string are of good quality. The bead also doesn't shift easily so it is great!
Review: It's good. The beads slide easily but stay where you put them. The string is easy to tie and untie. The string can be drawn taunt and bounce is easily controlled.

## Features

- IMPROVES CONVERGENCE & PERFORMANCE: Convergence training using a Brock String can be useful for convergence insufficiency, as well as strength and athletic performance.
- 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 – 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.
- Instructions Included

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0190LOMCQ |
| Batteries Included? | No |
| Brand | Brock String |
| Color | White |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,071) |
| Date First Available | 7 August 2016 |
| Features | Durable |
| Is Discontinued By Manufacturer | No |
| Item model number | 9G-WVV7-SZRG |
| Manufacturer | NeuroVision |
| Material Type | Nylon Polypropylene (PP) |
| Package Dimensions | 11.9 x 9 x 2.7 cm; 18 g |
| Size | 6 foot |
| Style | Pack of 1 |

## Product Details

- **Brand:** Brock String
- **Material:** Nylon Polypropylene (PP)
- **Recommended uses for product:** Exercise and Fitness
- **Special features:** Durable
- **Target audience:** Adult

## Images

![BFR BANDS Vision Convergence Training Tool Train Vision Improve Strength & Athletic Performance And More 6 foot White - Image 1](https://m.media-amazon.com/images/I/513qIyNgBPL.jpg)
![BFR BANDS Vision Convergence Training Tool Train Vision Improve Strength & Athletic Performance And More 6 foot White - Image 2](https://m.media-amazon.com/images/I/615dTbVdzbL.jpg)
![BFR BANDS Vision Convergence Training Tool Train Vision Improve Strength & Athletic Performance And More 6 foot White - Image 3](https://m.media-amazon.com/images/I/51od-gk8pjL.jpg)
![BFR BANDS Vision Convergence Training Tool Train Vision Improve Strength & Athletic Performance And More 6 foot White - Image 4](https://m.media-amazon.com/images/I/61lJnrLSL-L.jpg)
![BFR BANDS Vision Convergence Training Tool Train Vision Improve Strength & Athletic Performance And More 6 foot White - Image 5](https://m.media-amazon.com/images/I/61BKsBy53-L.jpg)

## Questions & Answers

**Q: Does it come with instructions?**
A: Yes it comes with instructions both with the product and again digitally by email.

**Q: does it improve my reaction time ?**
A: We used these for my daughter to help her eyes work together. It was suggested by her vision therapist. I played around with it also and you do get better at focusing.

**Q: Are the balls removable?**
A: You could fairly easily remove them by untying the knot at the end of the string. However it may be tricky to put them back on.

**Q: Can this be used in the bedroom?**
A: Hi, Brock String is a vision performance training tool that can be used anywhere.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***H on 8 February 2020*

It arrived in a good condition, both the bead and the string are of good quality. The bead also doesn't shift easily so it is great!

### ⭐⭐⭐⭐⭐ Review
*by J***B on 2 December 2025*

It's good. The beads slide easily but stay where you put them. The string is easy to tie and untie. The string can be drawn taunt and bounce is easily controlled.

### ⭐⭐⭐⭐⭐ Review
*by G***A on 21 June 2019*

Prodotto come promesso. Ottimo.

## Frequently Bought Together

- Brock String - Vision Convergence Training - Convergence Insufficiency Tool - Train Vision, Athletic Performance, and More!, White, 6 foot
- Brock String 10 Foot Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More!
- DEFINEST Rechargeable LED Laser Headlamp with an Adjustable Waist Belt, for Sensorimotor Control Testing and Physical Therapy

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-17*