---
product_id: 320863328
title: "Brock String Front Sight Focus String Combo Pack, Three 6-Foot, Vision Convergence Training Tool, Great for Shooters, Front Sight Training and More!"
brand: "brock string"
price: "C$3067"
currency: NIO
in_stock: true
reviews_count: 5
category: "Brock String"
url: https://www.desertcart.ni/products/320863328-brock-string-front-sight-focus-string-combo-pack-three-6
store_origin: NI
region: Nicaragua
---

# 3 x 6-foot precision strings Durable nylon/polypropylene build Enhances eye muscle convergence Brock String Front Sight Focus String Combo Pack, Three 6-Foot, Vision Convergence Training Tool, Great for Shooters, Front Sight Training and More!

**Brand:** brock string
**Price:** C$3067
**Availability:** ✅ In Stock

## Summary

> 👁️‍🗨️ See the difference, own the advantage!

## Quick Answers

- **What is this?** Brock String Front Sight Focus String Combo Pack, Three 6-Foot, Vision Convergence Training Tool, Great for Shooters, Front Sight Training and More! by brock string
- **How much does it cost?** C$3067 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/320863328-brock-string-front-sight-focus-string-combo-pack-three-6)

## 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

- • **Boost Athletic Edge:** Enhance eye coordination and convergence to gain a competitive advantage in sports and daily activities.
- • **Therapist-Approved Quality:** Trusted by occupational therapists for effective vision therapy at home.
- • **Effortless Setup, Instant Impact:** Simple to use with clear instructions—perfect for beginners and pros alike.
- • **Built to Last, Designed to Perform:** Crafted from durable nylon/polypropylene for consistent, long-term vision training.
- • **Sharpen Your Focus, Sharpen Your Game:** Train your eyes with 3 premium 6-foot Brock Strings for unmatched visual precision.

## Overview

The Brock String Front Sight Focus Combo Pack includes three 6-foot durable nylon/polypropylene strings with high-quality beads designed to improve eye muscle convergence and focus. Ideal for vision training, sports performance enhancement, and therapeutic use, this easy-to-use tool comes with clear instructions and is highly rated for quality and effectiveness.

## Description

Product Description

Review: Good - Good for practice. Quite handy
Review: OT approved - Purchased for vision therapy at home. Our OT commented that this was a good quality product as the beads don’t slide down the string when using.

## Features

- ENHANCE CONVERGENCE AND FOCUS: Use the Brock String convergence training tool to strengthen eye muscles, focus, and support visual performance for daily activities and sports
- BOOST ATHLETIC PERFORMANCE: The Brock eye string allows precise eye training in sport-specific positions, giving you a competitive edge and enhanced visual coordination
- EASY-TO-USE EYE EXERCISE TOOL: Simple setup and short learning curve let you practice convergence and eye focus exercises at home, making vision training convenient for beginners and advanced users
- PREMIUM FOCUS STRING WITH BALLS: Crafted with durable string and high-quality beads, this eye muscle strengthening tool ensures long-lasting use and consistent performance for repeated vision exercises
- FRONT SIGHT TOOL WITH INSTRUCTIONS INCLUDED: Comes with clear guidance and tips for proper use, ensuring effective training and helping you get the most from your Brock String sessions

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075881G1K |
| Best Sellers Rank | 58,252 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 3 in Archery Sights |
| Brand | Brock String |
| Brand Name | Brock String |
| Colour | Multicolor |
| Customer Reviews | 4.6 out of 5 stars 171 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 |
| Other Special Features of the Product | Convergence Training |
| Part Number | 5Q-N5NL-FZO4 |
| Recommended Uses For Product | Vision Training, Eye Exercise |
| Recommended uses for product | Vision Training, Eye Exercise |
| Special feature | 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:** Vision Training, Eye Exercise
- **Special feature:** Convergence Training
- **Target audience:** Adult

## Images

![Brock String Front Sight Focus String Combo Pack, Three 6-Foot, Vision Convergence Training Tool, Great for Shooters, Front Sight Training and More! - Image 1](https://m.media-amazon.com/images/I/51i-qwxd9HL.jpg)
![Brock String Front Sight Focus String Combo Pack, Three 6-Foot, Vision Convergence Training Tool, Great for Shooters, Front Sight Training and More! - Image 2](https://m.media-amazon.com/images/I/61sBJaJtdXL.jpg)
![Brock String Front Sight Focus String Combo Pack, Three 6-Foot, Vision Convergence Training Tool, Great for Shooters, Front Sight Training and More! - Image 3](https://m.media-amazon.com/images/I/51dsMZYiYtL.jpg)
![Brock String Front Sight Focus String Combo Pack, Three 6-Foot, Vision Convergence Training Tool, Great for Shooters, Front Sight Training and More! - Image 4](https://m.media-amazon.com/images/I/61diUmT6sBL.jpg)
![Brock String Front Sight Focus String Combo Pack, Three 6-Foot, Vision Convergence Training Tool, Great for Shooters, Front Sight Training and More! - Image 5](https://m.media-amazon.com/images/I/61dDl7K1JEL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by M***. on 27 May 2025*

Good for practice. Quite handy

### ⭐⭐⭐⭐⭐ OT approved
*by J***Y on 31 March 2025*

Purchased for vision therapy at home. Our OT commented that this was a good quality product as the beads don’t slide down the string when using.

### ⭐⭐⭐⭐⭐ Brock string rec by dr
*by M***O on 7 February 2025*

Def recommend I love that my son can pick which color to use and it does exactly what is intended for. Well worth the price

## 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!
- SADIKALO 6Pcs Eye Exercise Chart - Visual Muscle Relaxation Office Classroom Wall Decor Myopia Dry Eye Office Gifts Waterproof Posters Card Desk Sign for Home School Kids Students Office Coworkers
- Brock String - Vision Convergence Training - Convergence Insufficiency Tool - Train Vision, Athletic Performance, and More!, White, 6 foot

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ni/products/320863328-brock-string-front-sight-focus-string-combo-pack-three-6](https://www.desertcart.ni/products/320863328-brock-string-front-sight-focus-string-combo-pack-three-6)

---

*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-07-13*