--- 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: "127.76 DT" currency: TND in_stock: true reviews_count: 5 category: "Brock String" url: https://www.desertcart.tn/products/294748062-bfr-bands-vision-convergence-training-tool-train-vision-improve-strength store_origin: TN region: Tunisia --- # 5 beads for precise convergence points 6-foot length for versatile training Durable high-quality nylon string BFR BANDS Vision Convergence Training Tool Train Vision Improve Strength & Athletic Performance And More 6 foot White **Brand:** brock string **Price:** 127.76 DT **Availability:** βœ… In Stock ## Summary > πŸ‘οΈβ€πŸ—¨οΈ Sharpen Your Sight, Elevate 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?** 127.76 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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 - β€’ **Built to Last:** Premium durable materials ensure long-lasting use even with daily training sessions. - β€’ **Train Like a Pro:** 6-foot string with 5 beads targets sport-specific eye positions for peak athletic performance. - β€’ **Complete Guidance:** Includes clear instructions so you can start improving your vision immediately. - β€’ **Effortless Home Use:** Simple setup with minimal learning curveβ€”train your vision anytime, anywhere. - β€’ **Boost Visual Strength:** Improves eye convergence to enhance focus and reduce strain during high-demand tasks. ## Overview The Brock String BFR Bands Vision Convergence Training Tool is a 6-foot durable nylon string with 5 adjustable beads designed to improve eye convergence and athletic visual performance. Ideal for home use, it offers a simple, effective way to train eye strength and focus, backed by high-quality materials and clear instructions. ## 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 | | Brand Name | Brock String | | Color | White | | Customer Reviews | 4.5 4.5 out of 5 stars (1,072) | | Grip Material | Ethylene Vinyl Acetate Foam | | Handle Diameter | 38 month | | Handle Material | Ethylene Vinyl Acetate (EVA) | | Item Length | 6 Feet | | Item Weight | 0.02 Kilograms | | Manufacturer | NeuroVision | | Material | Nylon Polypropylene (PP) | | Other Special Features of the Product | Durable | | Recommended Uses For Product | Exercise and Fitness | | Target Audience | Adult | | UPC | 860007923074 722512440333 | | Unit Count | 1 Count | ## 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) ## 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 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/294748062-bfr-bands-vision-convergence-training-tool-train-vision-improve-strength](https://www.desertcart.tn/products/294748062-bfr-bands-vision-convergence-training-tool-train-vision-improve-strength) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-04*