---
product_id: 318846637
title: "Brock String, Vision Convergence Insufficiency Training Tool for Eye Muscle Strengthening, Focus Exercise and Agility"
brand: "brock string"
price: "COP 126033"
currency: COP
in_stock: true
category: "Brock String"
url: https://www.desertcart.co/products/318846637-brock-string-vision-convergence-insufficiency-training-tool-for-eye-muscle
store_origin: CO
region: Colombia
---

# 5 fixed beads per string for targeted focus Durable nylon/polypropylene for lasting training 3 x 6 ft precision strings Brock String, Vision Convergence Insufficiency Training Tool for Eye Muscle Strengthening, Focus Exercise and Agility

**Brand:** brock string
**Price:** COP 126033
**Availability:** ✅ In Stock

## Summary

> 👁️‍🗨️ Sharpen your sight, own your focus!

## Quick Answers

- **What is this?** Brock String, Vision Convergence Insufficiency Training Tool for Eye Muscle Strengthening, Focus Exercise and Agility by brock string
- **How much does it cost?** COP 126033 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/318846637-brock-string-vision-convergence-insufficiency-training-tool-for-eye-muscle)

## 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

- • **Triple-String Power:** Three 6-foot strings for versatile, multi-angle eye training
- • **Lightweight & Portable:** Ultra-light 0.04 kg design fits seamlessly into your active lifestyle
- • **Precision Bead Placement:** Five tightly fitted beads ensure consistent, reliable focus points
- • **Boost Your Visual Agility:** Ideal for convergence insufficiency, sports vision, and front sight focus training
- • **Therapist-Approved Quality:** Endorsed by occupational therapists for effective home vision therapy

## Overview

The Brock String Vision Training Tool includes three 6-foot nylon/polypropylene strings, each with five fixed beads designed to strengthen eye muscles and improve convergence. Trusted by therapists and athletes alike, it’s a lightweight, portable solution for enhancing focus, agility, and vision therapy at home or on the go.

## Description

Brock String Front Sight Focus String Combo Pack Three 6 Foot Vision Convergence Training Tool Great For Shooters Front Sight Training And More | For Insufficiency, Eye Muscle Strengthening, Focus Exercise and Agility : desertcart.ae: Health

## Features

- Three Brock Strings, Each 6 Feet in Length
- Great for Convergence Insufficiency Training, Sports Vision Training and Front Sight Focus Training
- Each String Has 5 Tightly Fitted Beads on a High Quality String
- Instructions Included

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075881G1K |
| Best Sellers Rank | #17,372 in Sporting Goods ( See Top 100 in Sporting Goods ) #2 in Archery Bowstrings |
| Brand | Brock String |
| Brand Name | Brock String |
| Color | Multicolor |
| Customer Reviews | 4.6 out of 5 stars 172 Reviews |
| Grip Material | Nylon or Polypropylene |
| Handle Material | Nylon or Polypropylene |
| Handle material | Nylon or Polypropylene |
| Item Length | 72 Inches |
| Item Weight | 0.04 Kilograms |
| Manufacturer | Brock String |
| Material | Nylon , Polypropylene (PP) |
| Model Number | 5Q-N5NL-FZO4 |
| Number of Items | 3 |
| Number of Packs | 3 |
| Other Special Features of the Product | Convergence Training |
| Part Number | 5Q-N5NL-FZO4 |
| Recommended Uses For Product | Exercise and Fitness, Speed and Endurance |
| Recommended uses for product | Exercise and Fitness, Speed and Endurance |
| Special features | Convergence Training |
| Target Audience | Adult |
| Target audience | Adult |
| UPC | 860007923098 722512369382 |
| Unit Count | 3.0 Count |

## Product Details

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

## Images

![Brock String, Vision Convergence Insufficiency Training Tool for Eye Muscle Strengthening, Focus Exercise and Agility - Image 1](https://m.media-amazon.com/images/I/51i-qwxd9HL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- Brock String Front Sight Focus String Combo Pack, Three 6-Foot, Vision Convergence Training Tool, Great for Shooters, Front Sight Training and More!
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- Brock String - Vision Convergence Training - Convergence Insufficiency Tool - Train Vision, Athletic Performance, and More!, White, 6 foot

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**Shop now:** [https://www.desertcart.co/products/318846637-brock-string-vision-convergence-insufficiency-training-tool-for-eye-muscle](https://www.desertcart.co/products/318846637-brock-string-vision-convergence-insufficiency-training-tool-for-eye-muscle)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-08-22*