---
product_id: 194734515
title: "Dynatomy Constant Force X-Tend Hand/Finger Extension Exerciser, Light Resistance, Retractable Finger Strengthener, Finger Exerciser, Hand Exerciser, Grip Strengthener, Grip Exerciser, (CFXT-L)"
brand: "d'addario"
price: "₩55415"
currency: KRW
in_stock: true
reviews_count: 10
category: "D'addario"
url: https://www.desertcart.kr/products/194734515-dynatomy-constant-force-x-tend-hand-finger-extension-exerciser-light
store_origin: KR
region: South Korea
---

# Patent-pending retractable resistance Targets finger, hand & forearm strength Ergonomic fit with joint isolation Dynatomy Constant Force X-Tend Hand/Finger Extension Exerciser, Light Resistance, Retractable Finger Strengthener, Finger Exerciser, Hand Exerciser, Grip Strengthener, Grip Exerciser, (CFXT-L)

**Brand:** d'addario
**Price:** ₩55415
**Availability:** ✅ In Stock

## Summary

> 🖐️ Unlock your hand’s full potential—strength, speed, and stamina in one sleek tool!

## Quick Answers

- **What is this?** Dynatomy Constant Force X-Tend Hand/Finger Extension Exerciser, Light Resistance, Retractable Finger Strengthener, Finger Exerciser, Hand Exerciser, Grip Strengthener, Grip Exerciser, (CFXT-L) by d'addario
- **How much does it cost?** ₩55415 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/194734515-dynatomy-constant-force-x-tend-hand-finger-extension-exerciser-light)

## Best For

- d'addario enthusiasts

## Why This Product

- Trusted d'addario brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ergonomic Precision Fit:** Designed to comfortably isolate PIP and DIP joints for targeted strengthening.
- • **Comprehensive Hand Rehab:** Boost range of motion, dexterity, and circulation from fingertips to forearm with one device.
- • **Light Resistance, Big Impact:** Perfect for musicians, rehab patients, and wellness enthusiasts aiming for subtle yet effective training.
- • **Smooth Retractable Resistance:** Experience consistent tension for every finger extension, unlike any other exerciser.
- • **Multilingual Guidance Included:** Get started instantly with clear instructions in multiple languages—no guesswork, just results.

## Overview

The Dynatomy Constant Force X-Tend Hand/Finger Extension Exerciser (CFXT-L) features patent-pending retractable resistance technology that delivers smooth, consistent tension for each finger. Ergonomically designed to fit comfortably and isolate finger joints, it enhances strength, dexterity, endurance, and circulation in the fingers, hand, wrist, and forearm. Ideal for rehabilitation, musicians, and general hand health, this lightweight exerciser comes with multilingual instructions to ensure effective use.

## Description

Constant force-xtend: retractable-based extension exerciser-light resistance.

Review: Great hand and wrist therapy tool - We became acquainted with this product during a course of physical/occupational therapy. We liked it so much we bought one for ourselves. It's easy to use and very effective. Highly recommended.
Review: Home hand therapy - Helps to guide the tendons and strengthen the grip after hand trauma.

## Features

- RETRACTABLE RESISTANCE: Only Constant Force XTend includes patent-pending, retractable-based resistance for each individual finger, providing smooth, consistent resistance regardless of how far fingers are extended.
- EFFECTIVE: Improve range of motion, strength, dexterity, endurance, speed and circulation for each finger, as well as the hand, wrist, and forearm.
- ERGONOMIC: Fits comfortably in hand, and includes options for isolating PIP, DIP Joints.
- LIGHT RESISTANCE: Ideal for rehab, musicians and the general health of your fingers, hands, wrists and forearms
- Includes multi-lingual instructions

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B07SK5SK89 |
| Best Sellers Rank | #393,573 in Health & Household ( See Top 100 in Health & Household ) #352 in Physical Therapy Hand Exercisers |
| Customer Reviews | 4.2 4.2 out of 5 stars (53) |
| Date First Available  | May 30, 2019 |
| Item model number  | CFXT-L |
| Manufacturer  | Dynatomy |
| Package Dimensions  | 6.18 x 4.76 x 2.09 inches; 5.33 ounces |

## Product Details

- **Brand:** D'Addario
- **Color:** Red
- **Item Weight:** 0.15 Kilograms
- **Material:** Plastic
- **Style:** functional

## Images

![Dynatomy Constant Force X-Tend Hand/Finger Extension Exerciser, Light Resistance, Retractable Finger Strengthener, Finger Exerciser, Hand Exerciser, Grip Strengthener, Grip Exerciser, (CFXT-L) - Image 1](https://m.media-amazon.com/images/I/71LK+-3g3wL.jpg)
![Dynatomy Constant Force X-Tend Hand/Finger Extension Exerciser, Light Resistance, Retractable Finger Strengthener, Finger Exerciser, Hand Exerciser, Grip Strengthener, Grip Exerciser, (CFXT-L) - Image 2](https://m.media-amazon.com/images/I/71teSrfoLaL.jpg)
![Dynatomy Constant Force X-Tend Hand/Finger Extension Exerciser, Light Resistance, Retractable Finger Strengthener, Finger Exerciser, Hand Exerciser, Grip Strengthener, Grip Exerciser, (CFXT-L) - Image 3](https://m.media-amazon.com/images/I/31egYq3-BAL.jpg)
![Dynatomy Constant Force X-Tend Hand/Finger Extension Exerciser, Light Resistance, Retractable Finger Strengthener, Finger Exerciser, Hand Exerciser, Grip Strengthener, Grip Exerciser, (CFXT-L) - Image 4](https://m.media-amazon.com/images/I/711ftIt-OnL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great hand and wrist therapy tool
*by N***L on January 15, 2024*

We became acquainted with this product during a course of physical/occupational therapy. We liked it so much we bought one for ourselves. It's easy to use and very effective. Highly recommended.

### ⭐⭐⭐⭐⭐ Home hand therapy
*by C***S on April 21, 2024*

Helps to guide the tendons and strengthen the grip after hand trauma.

### ⭐⭐⭐⭐ Good for finger injuries too
*by J***R on May 26, 2022*

Fingers are weak after injury. This is working well to go beyond healing. Different sized hands not accounted for. It would be better if it had variable resistance. There is such a model, but not offered now on Amazon.

## Frequently Bought Together

- Dynatomy Constant Force X-Tend Hand/Finger Extension Exerciser, Light Resistance, Retractable Finger Strengthener, Finger Exerciser, Hand Exerciser, Grip Strengthener, Grip Exerciser, (CFXT-L)
- Dynatomy VariGrip Therapy Adjustable Resistance, X-light, light resistance, Finger Strengthener, finger exerciser, hand exerciser, grip strengthener, extra-wide base, 2 exercisers in 1, (VGXL), yellow, 1.5-3 pound

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-21*