---
product_id: 332774557
title: "US PRO Tools 3 Piece 1\" DR Impact Extension Bar Set Socket Bars 3423"
brand: "us pro"
price: "NT$4352"
currency: TWD
in_stock: true
reviews_count: 3
category: "Us Pro"
url: https://www.desertcart.tw/products/332774557-us-pro-tools-3-piece-1-dr-impact-extension-bar
store_origin: TW
region: Taiwan
---

# Black phosphate corrosion resistance 3 precision extension lengths 1" drive fits all 1" sockets US PRO Tools 3 Piece 1" DR Impact Extension Bar Set Socket Bars 3423

**Brand:** us pro
**Price:** NT$4352
**Availability:** ✅ In Stock

## Summary

> 🛠️ Extend your reach, elevate your craft.

## Quick Answers

- **What is this?** US PRO Tools 3 Piece 1" DR Impact Extension Bar Set Socket Bars 3423 by us pro
- **How much does it cost?** NT$4352 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/332774557-us-pro-tools-3-piece-1-dr-impact-extension-bar)

## Best For

- us pro enthusiasts

## Why This Product

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

## Key Features

- • **Triple-Length Precision Set:** Includes 100mm, 150mm, and 250mm bars to tackle tight spots with ease.
- • **Compact Storage Case Included:** Stay organized and ready for any job with a sleek, portable case.
- • **Durable Chromium-Vanadium Steel:** Engineered for strength and abrasion resistance to last through heavy-duty use.
- • **Universal 1" Drive Compatibility:** Seamlessly fits any 1" drive socket or ratchet for ultimate versatility.
- • **Corrosion-Resistant Black Phosphate Finish:** Keeps your tools looking sharp and performing flawlessly over time.

## Overview

The US PRO Tools 3 Piece 1" Drive Impact Extension Bar Set offers professional-grade durability and versatility with three precision lengths (100mm, 150mm, 250mm) crafted from chromium-vanadium steel and finished in corrosion-resistant black phosphate. Compatible with all 1" drive sockets and ratchets, this set is a must-have for any serious toolbox, delivered in a convenient storage case for on-the-go efficiency.

## Description

US PRO Tools 3 Piece 1" DR Impact Extension Bar Set Socket Bars 3423Extension bars for Impact wrench.1" drive so will fit any 1" drive socket / ratchets etc.Made from chromium-vanadium steel for strength and durability and helps resist abrasion, oxidation, and corrosionIndustrial black phosphate finishSizes:100mm (4" approx)150mm (6" approx)250mm (10" approx)Supplied in storage caseThis high quality extension bar set comes to you brand new with retail packaging.This is a perfect addition / replacement to any toolbox or workshop

Review: Good - Item as expected. Easy to use. Great value of money
Review: look good - quite heavy so should be nice and strong been an 1" square drive

## Features

- Extension bars for Impact wrench.
- 1" drive so will fit any 1" drive socket / ratchets etc.
- 100mm (4" approx)
- 150mm (6" approx)
- 250mm (10" approx)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07ZQL528N |
| Best Sellers Rank | 212,765 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,792 in Socket Sets |
| Compatible fastener range | 1 inches |
| Customer Reviews | 4.7 4.7 out of 5 stars (13) |
| Date First Available | 29 Oct. 2019 |
| Finish | Black Phosphate Finish |
| Head Style | Square Drive |
| Item Package Quantity | 1 |
| Item Weight | 3.48 kg |
| Item model number | 3423 |
| Manufacturer | US PRO |
| Material | Alloy Steel |
| Number of Pieces | 3 |
| Part Number | 3423 |
| Size | Variety Pack |

## Product Details

- **Brand:** US PRO
- **Item length:** 250 Millimetres
- **Item package quantity:** 1
- **Item weight:** 3476 Grams
- **Material:** Alloy Steel

## Images

![US PRO Tools 3 Piece 1" DR Impact Extension Bar Set Socket Bars 3423 - Image 1](https://m.media-amazon.com/images/I/41uKWBxOIHL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by A***C on 10 November 2025*

Item as expected. Easy to use. Great value of money

### ⭐⭐⭐⭐⭐ look good
*by J***. on 10 January 2024*

quite heavy so should be nice and strong been an 1" square drive

### ⭐⭐⭐⭐ Do the job
*by O***. on 23 September 2023*

Used only a couple of times and can see the impact dents so I’m Dubious as to weather they’ll last years and years as the workshop ones are old and have less dents but well priced it’s Draper so low to mid range budget and do the job like can’t complain

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**Shop now:** [https://www.desertcart.tw/products/332774557-us-pro-tools-3-piece-1-dr-impact-extension-bar](https://www.desertcart.tw/products/332774557-us-pro-tools-3-piece-1-dr-impact-extension-bar)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-04-23*