---
product_id: 164117204
title: "BILLIE JEAN KING'S Eye Coach Replacement Tennis Ball for Tennis Practice Trainer"
brand: "billie jean king's eye coach"
price: "₩46697"
currency: KRW
in_stock: false
reviews_count: 8
url: https://www.desertcart.kr/products/164117204-billie-jean-kings-eye-coach-replacement-tennis-ball-for-tennis
store_origin: KR
region: South Korea
---

# 8 hours durable use Trusted by global pros Authentic tennis ball build BILLIE JEAN KING'S Eye Coach Replacement Tennis Ball for Tennis Practice Trainer

**Brand:** billie jean king's eye coach
**Price:** ₩46697
**Availability:** ❌ Out of Stock

## Summary

> 🎾 Elevate your game with every bounce — don’t just play, train like a champion!

## Quick Answers

- **What is this?** BILLIE JEAN KING'S Eye Coach Replacement Tennis Ball for Tennis Practice Trainer by billie jean king's eye coach
- **How much does it cost?** ₩46697 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/164117204-billie-jean-kings-eye-coach-replacement-tennis-ball-for-tennis)

## Best For

- billie jean king's eye coach enthusiasts

## Why This Product

- Trusted billie jean king's eye coach brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Endurance Tested:** Engineered to last 8 hours in intense practice sessions before replacement
- • **Globally Trusted Gear:** Used by clubs, pros, and trainers worldwide for elite tennis development
- • **Effortless Skill Boost:** Just 5 minutes daily to sharpen your on-court precision and reaction
- • **Pro-Level Authenticity:** Real tennis ball with brass & plastic grommet for seamless Eye Coach integration
- • **Anywhere, Anytime Training:** Portable design lets you practice distraction-free, off-court or on the go

## Overview

The BILLIE JEAN KING'S Eye Coach Replacement Tennis Ball is a professionally crafted, durable tennis ball designed specifically for use with the Eye Coach training system. Featuring a brass and plastic grommet for optimal machine compatibility, it supports up to 8 hours of rigorous practice, helping players improve their skills with just 5 minutes of daily use. Trusted worldwide by tennis clubs and professionals, this replacement ball ensures consistent, high-quality training anytime, anywhere.

## Description

desertcart.com : BILLIE JEAN KING'S Eye Coach Replacement Tennis Ball for Tennis Practice Trainer : Sports & Outdoors

Review: Excellent replacement, use it daily - Well made, and easy to install
Review: great practice tool - really fun and does translate to the court. the replacement balls could last a little longer. or the price might be better at $10 each.

## Features

- REPLACEMENT BALL: Real tennis ball with brass and plastic grommet to use with our Eye Coach trainer.
- TENNIS PRACTICE EQUIPMENT: See an improvement in on-court tennis skills with only 5 minutes a day.
- LONG USE: Replace the ball in the tennis ball machine after about 8 hours of use.
- PORTABLE SELF-TRAINING TENNIS TRAINER: Practice off-court with no distractions anywhere, anytime.
- EYE COACH: Trusted tennis training equipment used by clubs, professionals, and trainers worldwide.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07RK4PWKR |
| Best Sellers Rank | #395,500 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #187 in Tennis Training Equipment |
| Brand | BILLIE JEAN KING'S Eye Coach |
| Brand Name | BILLIE JEAN KING'S Eye Coach |
| Color | Yellow |
| Construction Type | Standard tennis ball construction |
| Customer Reviews | 4.4 4.4 out of 5 stars (97) |
| Date First Available | May 8, 2019 |
| Item Package Dimensions L x W x H | 1 x 1 x 1 inches |
| Item Weight | 13 Pounds |
| Manufacturer | Billie Jean King's Eye Coach |
| Material | Rubber |
| Number of Items | 1 |
| Package Weight | 0.5 Pounds |
| Sport | Tennis |
| Stitching Type | Standard |
| UPC | 019372921332 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** BILLIE JEAN KING'S Eye Coach
- **Color:** Yellow
- **Item Weight:** 13 Pounds
- **Material:** Rubber
- **Sport:** Tennis

## Images

![BILLIE JEAN KING'S Eye Coach Replacement Tennis Ball for Tennis Practice Trainer - Image 1](https://m.media-amazon.com/images/I/61SaYNDwUML.jpg)
![BILLIE JEAN KING'S Eye Coach Replacement Tennis Ball for Tennis Practice Trainer - Image 2](https://m.media-amazon.com/images/I/716m-G2PP+L.jpg)
![BILLIE JEAN KING'S Eye Coach Replacement Tennis Ball for Tennis Practice Trainer - Image 3](https://m.media-amazon.com/images/I/717Eea0z3UL.jpg)
![BILLIE JEAN KING'S Eye Coach Replacement Tennis Ball for Tennis Practice Trainer - Image 4](https://m.media-amazon.com/images/I/71TnVYTynWL.jpg)
![BILLIE JEAN KING'S Eye Coach Replacement Tennis Ball for Tennis Practice Trainer - Image 5](https://m.media-amazon.com/images/I/81NSifubORL.jpg)

## Questions & Answers

**Q: I need to get a new ball for eye coach, but I also need the attachment bolts for the ball. How much are the bolts**
A: Hi! Please place the order for the ball and then send us a message requesting that we send you the bolt as well, no charge!

**Q: I need a new ball but I also need new rubber guards where the bolts are at. How do I replace those?**
A: If you can find the rubber pieces, it’s easy to replace. Just unscrew the ball and bolt, then you can just slide off the old rubber piece and put on the new one. You can also buy a new replacement arm.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent replacement, use it daily
*by C***D on May 30, 2022*

Well made, and easy to install

### ⭐⭐⭐⭐ great practice tool
*by S***A on August 4, 2022*

really fun and does translate to the court. the replacement balls could last a little longer. or the price might be better at $10 each.

### ⭐⭐⭐⭐⭐ It works
*by E***S on September 5, 2025*

Great product

## Frequently Bought Together

- BILLIE JEAN KING'S Eye Coach Replacement Tennis Ball for Tennis Practice Trainer
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- BILLIE JEAN KING'S Eye Coach Tennis Simulator Replacement Arm, Tennis Training Aid, Rubber, Black

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**Shop now:** [https://www.desertcart.kr/products/164117204-billie-jean-kings-eye-coach-replacement-tennis-ball-for-tennis](https://www.desertcart.kr/products/164117204-billie-jean-kings-eye-coach-replacement-tennis-ball-for-tennis)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-23*