---
product_id: 604151892
title: "Finger Strengthener, Grip Strength Trainer, Gripster, Finger Exerciser & Hand Grip Strengthener, Hand and Forearm Exerciser for Strength Therapy, 3 Resistant Level (Grey, 20LB+Blue, 40LB+Black 60LB)"
brand: "ootku"
price: "¥14385"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/604151892-finger-strengthener-grip-strength-trainer-gripster-finger-exerciser-and-hand
store_origin: JP
region: Japan
---

# Perfect for musicians & athletes Compact & portable design 3 resistance levels: 20LB, 40LB, 60LB Finger Strengthener, Grip Strength Trainer, Gripster, Finger Exerciser & Hand Grip Strengthener, Hand and Forearm Exerciser for Strength Therapy, 3 Resistant Level (Grey, 20LB+Blue, 40LB+Black 60LB)

**Brand:** ootku
**Price:** ¥14385
**Availability:** ✅ In Stock

## Summary

> 💪 Unlock your grip’s full potential — don’t let weak fingers hold you back!

## Quick Answers

- **What is this?** Finger Strengthener, Grip Strength Trainer, Gripster, Finger Exerciser & Hand Grip Strengthener, Hand and Forearm Exerciser for Strength Therapy, 3 Resistant Level (Grey, 20LB+Blue, 40LB+Black 60LB) by ootku
- **How much does it cost?** ¥14385 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/604151892-finger-strengthener-grip-strength-trainer-gripster-finger-exerciser-and-hand)

## Best For

- ootku enthusiasts

## Why This Product

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

## Key Features

- • **Premium Durable Materials:** High-quality elastic silicone bands paired with a tough alloy frame ensure long-lasting, reliable use.
- • **Therapeutic & Performance Boost:** Ideal for arthritis, carpal tunnel, and tendonitis recovery while enhancing finger dexterity and forearm strength.
- • **Ultra Portable & Ready Anywhere:** Lightweight and pocket-friendly, train your grip anytime, anywhere without missing a beat.
- • **Tailored Resistance for Every Stage:** Choose from 20LB (rehab), 40LB (daily use), or 60LB (advanced training) to match your progress.
- • **Versatile for Professionals & Hobbyists:** From rock climbers and tennis players to guitarists and office pros, it fits all finger-strengthening needs.

## Overview

The Ootku Gripster Finger Strengthener offers three adjustable resistance levels (20LB, 40LB, 60LB) with durable silicone bands and an alloy frame. Designed for rehabilitation, daily exercise, and advanced grip training, it supports recovery from arthritis, carpal tunnel, and tendonitis while enhancing finger flexibility and forearm strength. Compact and portable, it’s perfect for athletes, musicians, and professionals seeking to elevate hand performance on the go.

## Description

Finger exerciser & hand strengthener，Gripster forearm trainer Pounds to select: 20 pounds-grey color, 40 pounds-blue color, 60 pounds-black color Material: Band (high quality elastic silicone) Frame(tough durable alloy) Tape (adjustable nylon) It helps: daily fingers flexibility, assist fingers therapy, relieve hand stiffness,coordinate fingers movement 1.Forearm Grip Trainer for Athletes: Rock Climbers, Fitness, Tennis, Baseball, Boxing, Golf, and Shooting 2.Finger Exerciser for Physical Therapy: Rheumatoid Arthritis, Stroke Rehab, Carpal Tunnel, Fractures, Wrist Fractures, Tendon Surgery, Tennis Elbow, Reduces Finger Stiffness and Pain, Helps with Exercise Recovery 3.Finger Stretch Exerciser for Musicians: Guitarists, Bassists, Pianists and Violinists Package includes: 10 bands grey, 10 bands blue, 10 bands black

## Features

- 【Three levels of resistance】 gray 20 lbs + blue 40 lbs + black 60 lbs. It is recommended to use gray initial tension for finger rehabilitation training, blue is suitable for daily finger exercise and physical therapy to restore finger strength, black is for advanced finger strengthening and a better choice for forearm grip strength training. You can choose different training finger stretch levels according to different phases.
- 【Good choice for strengthening therapy】This finger exerciser provides adjustable wriststrap and is suitable for adult wrist size. It helps train fingers' flexibility and reduce stiffness, improve the movement by enhancing the strength of fingers. You can train fingers to coordinate with or train one finger individually. Also, it is helpful for the hand power and strengthening forearm muscles.
- 【Reliable and portable】The bands are made of high-quality silicone and they are very elastic and not easy to be pull apart. It is very light weight and portable, you can do finger training at any place you want and pack into pocket or bag for storage.
- 【Physical Therapy】Great for rheumatoid arthritis, carpal tunnel, tendonitis, tennis elbow and who are on the way to recover from finger pain. Or if you are a guitar or piano player, office typer or any other that need frequent finger use, this finger exerciser is a good choice for hand rehabilitation and finger tension training.
- 【What's in the package】One finger exerciser and ten bands for each color. Each pounds have 5 spare bands for longer use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | ['Grey', 'Blue', 'Black'] |
| Style | Wrap |
| Shape | Round |
| Material type | Fabric Silica Zinc |
| Batteries included? | No |
| Brand | Ootku |
| Manufacturer | Ootku |
| Item model number | OTK-FS01 |
| Package Dimensions | 13.31 x 10.79 x 5.51 cm; 136.08 g |
| ASIN | B0BQRJWPJH |

## Product Details

- **Colour:** ['Grey', 'Blue', 'Black']
- **Material:** Fabric Silica Zinc
- **Brand:** Ootku
- **Item weight:** 136 g
- **Style:** Wrap

## Images

![Finger Strengthener, Grip Strength Trainer, Gripster, Finger Exerciser & Hand Grip Strengthener, Hand and Forearm Exerciser for Strength Therapy, 3 Resistant Level (Grey, 20LB+Blue, 40LB+Black 60LB) - Image 1](https://m.media-amazon.com/images/I/71MZf83w1LL.jpg)
![Finger Strengthener, Grip Strength Trainer, Gripster, Finger Exerciser & Hand Grip Strengthener, Hand and Forearm Exerciser for Strength Therapy, 3 Resistant Level (Grey, 20LB+Blue, 40LB+Black 60LB) - Image 2](https://m.media-amazon.com/images/I/71loU8Tf9gL.jpg)
![Finger Strengthener, Grip Strength Trainer, Gripster, Finger Exerciser & Hand Grip Strengthener, Hand and Forearm Exerciser for Strength Therapy, 3 Resistant Level (Grey, 20LB+Blue, 40LB+Black 60LB) - Image 3](https://m.media-amazon.com/images/I/71efSMQiJbL.jpg)
![Finger Strengthener, Grip Strength Trainer, Gripster, Finger Exerciser & Hand Grip Strengthener, Hand and Forearm Exerciser for Strength Therapy, 3 Resistant Level (Grey, 20LB+Blue, 40LB+Black 60LB) - Image 4](https://m.media-amazon.com/images/I/71-hPlS8AFL.jpg)
![Finger Strengthener, Grip Strength Trainer, Gripster, Finger Exerciser & Hand Grip Strengthener, Hand and Forearm Exerciser for Strength Therapy, 3 Resistant Level (Grey, 20LB+Blue, 40LB+Black 60LB) - Image 5](https://m.media-amazon.com/images/I/712Tz1n5FKL.jpg)

## Frequently Bought Together

- Finger Strengthener, Grip Strength Trainer, Gripster, Finger Exerciser & Hand Grip Strengthener, Hand and Forearm Exerciser for Strength Therapy, 3 Resistant Level (Grey, 20LB+Blue, 40LB+Black 60LB)
- Hand Grip Strengthener, Finger exerciser, Grip Strength Trainer (6 PCS),NEW MATERIAL,Forearm grip workout, Finger Stretcher, Relieve Wrist Pain, Carpal tunnel. (Finger exerciser)
- D’Addario Varigrip Hand Exerciser–Improve Dexterity and Strength in Fingers, Hands, Forearms- Adjust Tension Per Finger– Simulated Strings Help Develop Calluses- Comfortable Conditioning

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