---
product_id: 188580820
title: "Arm Rod Spring Exerciser 20KG Heavy Duty Spring Chest Expander | Power Wrist Hand Gripper | Arm Trainer Device | for Shoulder Arms and Chest Exercises Upper Body Training"
brand: "brand: shni"
price: "¥5383"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/188580820-arm-rod-spring-exerciser-20kg-heavy-duty-spring-chest-expander
store_origin: JP
region: Japan
---

# Arm Rod Spring Exerciser 20KG Heavy Duty Spring Chest Expander | Power Wrist Hand Gripper | Arm Trainer Device | for Shoulder Arms and Chest Exercises Upper Body Training

**Brand:** brand: shni
**Price:** ¥5383
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Arm Rod Spring Exerciser 20KG Heavy Duty Spring Chest Expander | Power Wrist Hand Gripper | Arm Trainer Device | for Shoulder Arms and Chest Exercises Upper Body Training by brand: shni
- **How much does it cost?** ¥5383 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/188580820-arm-rod-spring-exerciser-20kg-heavy-duty-spring-chest-expander)

## Best For

- brand: shni enthusiasts

## Why This Product

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

## Description

Specification:Product Name: 20KG Arm Rod Spring ExerciserMaterial: , stainless steel springColor: blackFeatures:Fitness training for chest expansionDual-spring design is not easy deformation, prevent sliding injuries design.Insist to take exercise, strong and handsome effect will be remarkable.Note:Please use away from the crowd 2 meters.After a long time use the biceps device, if you find crack on the device, please stop use for your safe.Package Included:1 x 20KG Arm Rod Spring Exerciser

## Features

- Product Name: 20KG Arm Rod Spring Exerciser
- Material: , stainless steel spring. The arm strength rod is made of quality carbon steel springs and anti-slip ABS handle
- Fitness training for chest expansion. Insist to take exercise, strong and handsome effect will be remarkable.
- Dual-spring design is not easy deformation, prevent sliding injuries design.
- Package Included: 1 x 20KG Arm Rod Spring Exerciser

## Images

![Arm Rod Spring Exerciser 20KG Heavy Duty Spring Chest Expander | Power Wrist Hand Gripper | Arm Trainer Device | for Shoulder Arms and Chest Exercises Upper Body Training - Image 1](https://images-na.ssl-images-amazon.com/images/I/51FQ6VebCwL.jpg)
![Arm Rod Spring Exerciser 20KG Heavy Duty Spring Chest Expander | Power Wrist Hand Gripper | Arm Trainer Device | for Shoulder Arms and Chest Exercises Upper Body Training - Image 2](https://images-na.ssl-images-amazon.com/images/I/71ZpItl8-bL.jpg)
![Arm Rod Spring Exerciser 20KG Heavy Duty Spring Chest Expander | Power Wrist Hand Gripper | Arm Trainer Device | for Shoulder Arms and Chest Exercises Upper Body Training - Image 3](https://images-na.ssl-images-amazon.com/images/I/61ThhMkbOxL.jpg)
![Arm Rod Spring Exerciser 20KG Heavy Duty Spring Chest Expander | Power Wrist Hand Gripper | Arm Trainer Device | for Shoulder Arms and Chest Exercises Upper Body Training - Image 4](https://images-na.ssl-images-amazon.com/images/I/71kJ2C0K2fL.jpg)
![Arm Rod Spring Exerciser 20KG Heavy Duty Spring Chest Expander | Power Wrist Hand Gripper | Arm Trainer Device | for Shoulder Arms and Chest Exercises Upper Body Training - Image 5](https://images-na.ssl-images-amazon.com/images/I/51sBHI-ptwL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/188580820-arm-rod-spring-exerciser-20kg-heavy-duty-spring-chest-expander](https://www.desertcart.jp/products/188580820-arm-rod-spring-exerciser-20kg-heavy-duty-spring-chest-expander)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-10*