---
product_id: 220632821
title: "CASOMAN 9 Pieces Extension Bar Set, 1/4\", 3/8\" and 1/2\" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish"
brand: "casoman"
price: "€ 71.17"
currency: EUR
in_stock: true
reviews_count: 13
category: "Casoman"
url: https://www.desertcart.fi/products/220632821-casoman-9-pieces-extension-bar-set-1-4-3-8
store_origin: FI
region: Finland
---

# Premium Chrome Vanadium steel alloy Corrosion-resistant black phosphate finish 9-piece versatile extension set CASOMAN 9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish

**Brand:** casoman
**Price:** € 71.17
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your toolkit game with precision and power — don’t get left behind!

## Quick Answers

- **What is this?** CASOMAN 9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish by casoman
- **How much does it cost?** € 71.17 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/220632821-casoman-9-pieces-extension-bar-set-1-4-3-8)

## Best For

- casoman enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from 50BV30 Chrome Vanadium steel with a black phosphate finish for unmatched durability and corrosion resistance.
- • **Organized & Portable:** Comes in a sleek blow-molded carrying case to keep your tools organized and ready wherever you go.
- • **Secure Fit Technology:** Spring-loaded detent balls ensure your sockets stay locked in place under high torque pressure.
- • **Trusted Quality Assurance:** Meets ANSI standards and backed by a 1-year warranty for peace of mind on every project.
- • **All-in-One Drive Compatibility:** Seamlessly switch between 1/4", 3/8", and 1/2" drives for ultimate flexibility.

## Overview

The CASOMAN 9 Pieces Extension Bar Set offers professional-grade versatility with 1/4", 3/8", and 1/2" drive sizes crafted from premium Chrome Vanadium steel. Its corrosion-resistant black phosphate finish and spring-loaded detent balls guarantee durability and secure socket fit, all neatly organized in a durable carrying case. Perfect for managers and pros who demand reliability and efficiency on every job.

## Description

CASOMAN 9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish - desertcart.com

Review: Good kit - Came with a nice little box so they’re not rolling around everywhere. Perfect set up with 1/4,3/8,1/2 size.
Review: Excellent - Value for money. Good product.

## Features

- Made from premium Chrome-Vanadium steel alloy (50BV30) with a corrosion-resistant black phosphate finish, providing the durability for a hard use.
- Set include 9 piece extension bar, 1/4" Dr.: 2-inch, 4-inch, 6-inch, 3/8" Dr.: 3-inch, 6-inch, 10-inch, 1/2" Dr.: 3-inch, 5-inch, 10-inch.
- Spring loaded detent ball on adapter ends provide secure fit into sockets, delivering support when used with high torque impact drivers.
- It comes with a durable blow-molded carrying case for easy transportation, safe storage, and quick organization.
- Meets or exceeds ANSI performance standards. It comes with 1 year quality warranty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B089GFQTQP |
| Accessory Connection Type | 1/4", 3/8" and 1/2" |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #57,358 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #340 in Socket Sets |
| Bit Compatibilities | 1/4", 3/8", 1/2" |
| Brand | CASOMAN |
| Capacity Description | 1/4", 3/8" and 1/2" |
| Compatible Fastener Range | 2 inch-6 inch, 10 inch |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,708) |
| Date First Available | June 1, 2020 |
| Drive Bit Shank Style | square |
| Drive System | Nutsetter |
| Finish | corrosion-resistant black phosphate finish |
| Finish Type | corrosion-resistant black phosphate finish |
| Head Style | Fixed Square, Hex |
| Installation Method | Click |
| Item Package Quantity | 1 |
| Item Weight | 3.48 pounds |
| Item model number | CS074 |
| Manufacturer | CASOMAN |
| Material | Chrome Vanadium Steel |
| Measurement System | Inch |
| Number of Pieces | 9 |
| Part Number | CS074 |
| Product Dimensions | 5.91 x 4.33 x 1.57 inches |
| Set Name | CASOMAN 9 Pieces Extension Bar Set |
| Size | 1/4" & 3/8" & 1/2" Drive |
| Usage | General Purpose |

## Product Details

- **Brand:** CASOMAN
- **Drive System:** Nutsetter
- **Finish Type:** corrosion-resistant black phosphate finish
- **Material:** Chrome Vanadium Steel
- **Number of Pieces:** 9

## Images

![CASOMAN 9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish - Image 1](https://m.media-amazon.com/images/I/61enzMPTVIS.jpg)

## Available Options

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

## Questions & Answers

**Q: Can these fit power wrench**
A: Yes I use them with my power tools

**Q: Are these impact rated**
A: The material of this extension bars is CRV steel, not CR-MO.

**Q: How do I warranty them? One of the detent balls on my 1/4 inch extension fell out**
A: Send it back to Amazon..

**Q: made in??**
A: Made in China.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good kit
*by S***Y on January 28, 2026*

Came with a nice little box so they’re not rolling around everywhere. Perfect set up with 1/4,3/8,1/2 size.

### ⭐⭐⭐⭐⭐ Excellent
*by F***A on September 5, 2025*

Value for money. Good product.

### ⭐⭐⭐⭐⭐ Great value!
*by T***R on March 1, 2025*

We've abused these at our shop, and they still hold up just fine. Great value! Snug fit. Work great. Easy to use. Can't really tell that we're losing much torque. Cant beat it for the price.

## Frequently Bought Together

- CASOMAN 9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish
- NEIKO 30249A 5 Piece Impact Socket Adapter Set, Standard SAE, 1/4, 3/8, 1/2" Cr-V Steel Impact Driver & Wrench Conversion Kit Socket Reducer, Locking Socket Adapter Set
- EPAuto Impact Universal Joint Set, Cr-V,3 Pieces

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**Shop now:** [https://www.desertcart.fi/products/220632821-casoman-9-pieces-extension-bar-set-1-4-3-8](https://www.desertcart.fi/products/220632821-casoman-9-pieces-extension-bar-set-1-4-3-8)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-20*