---
product_id: 443156161
title: "Green Keeper Line M Up Fat Line Ball Alignment Tool"
brand: "proactive sports"
price: "¥8929"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/443156161-green-keeper-line-m-up-fat-line-ball-alignment-tool
store_origin: JP
region: Japan
---

# Proven distance improvement Precision alignment boost Larger, easy-to-read line Green Keeper Line M Up Fat Line Ball Alignment Tool

**Brand:** proactive sports
**Price:** ¥8929
**Availability:** ✅ In Stock

## Summary

> 🎯 Align. Aim. Dominate your game.

## Quick Answers

- **What is this?** Green Keeper Line M Up Fat Line Ball Alignment Tool by proactive sports
- **How much does it cost?** ¥8929 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/443156161-green-keeper-line-m-up-fat-line-ball-alignment-tool)

## Best For

- proactive sports enthusiasts

## Why This Product

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

## Key Features

- • **Aim Like a Pro:** Fat line design sharpens your putting precision for consistent strokes.
- • **Tested & Trusted:** First tee validated by robotic and field tests to enhance your driving distance.
- • **Compact & Lightweight:** Sleek 6.7-inch plastic tool fits easily in your golf bag without weighing you down.
- • **Join the Winning Circle:** Used by serious golfers aiming to elevate their game and outdrive the competition.
- • **Read the Green with Confidence:** Larger, high-visibility lines make green reading effortless and accurate.

## Overview

The Green Keeper Line M Up Fat Line Ball Alignment Tool by ProActive Sports is a precision golf aid designed to improve your aim and stroke accuracy. Featuring a larger, easy-to-read line, it enhances green reading and putting skills. Proven through robotic and field testing to increase driving distance, this lightweight, compact plastic tool is a must-have for golfers seeking measurable performance gains.

## Description

Proactive Sports Line M Up Fat Line Ball Alignment Tool First and only tee proven in both "Robotic" and "Field" tests to improve distance.

## Features

- Improves Aim
- Larger line makes it easier to read
- Improves stroke and green reading abilities
- Marker colors will vary

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | ProActive Sports |
| Material | Plastic |
| Colour | Varies |
| Age Range (Description) | Adult |
| Sport | Golf |
| Number of Items | 1 |
| Global Trade Identification Number | 00768567102536 |
| UPC | 768567102536 |
| Net Quantity | 1.0 Count |
| Batteries Included | No |
| Length | 6.7 Inches |
| Width | 4.8 Inches |
| Height | 0.8 Inches |
| Weight | 0.22 Pounds |
| Material Type | Plastic |
| Number of Pieces | 1 |
| Manufacturer | ProActive Sports, Inc. |
| Country of Origin | USA |

## Product Details

- **Brand:** ProActive Sports
- **Material:** Plastic
- **Colour:** Varies
- **Age Range (Description):** Adult
- **Sport:** Golf

## Images

![Green Keeper Line M Up Fat Line Ball Alignment Tool - Image 1](https://m.media-amazon.com/images/I/71ixKngDhUL.jpg)

## Frequently Bought Together

- Green Keeper Line M Up Fat Line Ball Alignment Tool
- BIRDIE79 360-Degree Golf Ball Marker Alignment Tool Kit - Triple Line Stencil with 3-Color Pens and Gift Box
- Alignment Ball Mark - Putting Alignment Tool and Golf Ball Marker - Improves Accuracy - Rotates 360° for Aiming - USGA Compliant

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**Shop now:** [https://www.desertcart.jp/products/443156161-green-keeper-line-m-up-fat-line-ball-alignment-tool](https://www.desertcart.jp/products/443156161-green-keeper-line-m-up-fat-line-ball-alignment-tool)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-23*