---
product_id: 60379692
title: "GEARWRENCH 3 Pc. 1/2\" Drive Locking Impact Extension Set Includes 3\", 6\" & 12\" - 84951N"
brand: "gearwrench"
price: "£59.92"
currency: GBP
in_stock: true
reviews_count: 11
category: "Gearwrench"
url: https://www.desertcart.co.uk/products/60379692-gearwrench-3-pc-1-2-drive-locking-impact-extension-set
store_origin: GB
region: United Kingdom
---

# Locking collar for secure socket retention 3-piece extension set (3", 6", 12") Chrome molybdenum steel for max durability GEARWRENCH 3 Pc. 1/2" Drive Locking Impact Extension Set Includes 3", 6" & 12" - 84951N

**Brand:** gearwrench
**Price:** £59.92
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in your edge with GEARWRENCH – where precision meets power!

## Quick Answers

- **What is this?** GEARWRENCH 3 Pc. 1/2" Drive Locking Impact Extension Set Includes 3", 6" & 12" - 84951N by gearwrench
- **How much does it cost?** £59.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/60379692-gearwrench-3-pc-1-2-drive-locking-impact-extension-set)

## Best For

- gearwrench enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from chrome molybdenum steel with manganese phosphate finish for corrosion resistance and rugged use.
- • **Pro-Grade Markings:** Laser-etched, highly visible size markings ensure you never second-guess your tool choice on the job.
- • **Ergonomic & Reliable:** Lightweight yet tough 2.01 lbs set designed for seamless professional handling and long-term use.
- • **Precision Locking Power:** Sliding collar locks sockets firmly, eliminating slips and boosting efficiency.
- • **Triple-Length Versatility:** Three extension sizes cover every tight spot from quick fixes to deep reach jobs.

## Overview

The GEARWRENCH 3 Pc. 1/2" Drive Locking Impact Extension Set (3", 6", 12") is engineered from durable chrome molybdenum steel with a corrosion-resistant manganese phosphate finish. Featuring a secure sliding collar locking mechanism and laser-etched size markings, this professional-grade set offers versatile reach and reliable socket retention for demanding impact applications. Backed by a limited lifetime warranty, it’s the ultimate extension set for pros who refuse to compromise.

## Description

GEARWRENCH offers a wide range of impact products in open stock & sets that are designed to deliver the performance and strength that the professional users require. They are made from chrome molybdenum alloy steel for exceptional strength and durability. Our sockets have a manganese phosphate coating to resist corrosion. The sockets also feature highly visible laser etched markings and a secondary size hard stamping. The sockets feature off-corner loading to reduce fastener rounding. The GEARWRENCH impact product family will allow the professional user to FORGE AHEAD.

Review: Great product - Great extensions. My favorite tool brand so far. Good value and the locking rings hold the sockets nice and tight.
Review: Great design, works well - Addresses a problem with extensions, sockets fall off in worst places. This extension locks sockets in place without adding any bulk to the extension. Highly recommended

## Features

- Pin hole can be used with detent pin for secure socket retention
- Locking mechanism with sliding collar securely attaches socket to extension

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00UM691SO |
| Best Sellers Rank | #383,627 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,453 in Socket Wrenches |
| Bit Compatibilities | 1/2" drive |
| Brand | GEARWRENCH |
| Brand Name | GEARWRENCH |
| Customer Reviews | 4.5 out of 5 stars 245 Reviews |
| Drive Bit Shank Style | Straight |
| Drive System | Square |
| Finish Type | Manganese Phosphate |
| Finish Types | Manganese Phosphate |
| Global Trade Identification Number | 00099575895166 |
| Included Components | (1) GEARWRENCH 3 Pc. 1/2" Drive Locking Impact Extension Set Includes 3", 6" & 12" - 84951N |
| Item Type Name | 3 Pc. 1/2" Drive Locking Impact Extension Set 3", 6" & 12" |
| Item Weight | 2 Pounds |
| Manufacturer | Apex Tool Group |
| Manufacturer Part Number | 84951N |
| Manufacturer Warranty Description | Standard Limited Lifetime |
| Material | Chrome Molybdenum Steel |
| Material Type | Chrome Molybdenum Steel |
| Model Number | 84951N |
| Number of Items | 1 |
| Number of Pieces | 3 |
| UPC | 099575895166 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** GEARWRENCH
- **Material:** Chrome Molybdenum Steel
- **Finish Type:** Manganese Phosphate
- **Number of Pieces:** 3
- **Drive System:** Square

## Images

![GEARWRENCH 3 Pc. 1/2" Drive Locking Impact Extension Set Includes 3", 6" & 12" - 84951N - Image 1](https://m.media-amazon.com/images/I/71Ri3puHYbL.jpg)
![GEARWRENCH 3 Pc. 1/2" Drive Locking Impact Extension Set Includes 3", 6" & 12" - 84951N - Image 2](https://m.media-amazon.com/images/I/71E-mkrvXTL.jpg)
![GEARWRENCH 3 Pc. 1/2" Drive Locking Impact Extension Set Includes 3", 6" & 12" - 84951N - Image 3](https://m.media-amazon.com/images/I/81HydJ7XmtL.jpg)
![GEARWRENCH 3 Pc. 1/2" Drive Locking Impact Extension Set Includes 3", 6" & 12" - 84951N - Image 4](https://m.media-amazon.com/images/I/71iPT7NjOZL.jpg)
![GEARWRENCH 3 Pc. 1/2" Drive Locking Impact Extension Set Includes 3", 6" & 12" - 84951N - Image 5](https://m.media-amazon.com/images/I/71hBn-yzG7L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by C***R on June 15, 2025*

Great extensions. My favorite tool brand so far. Good value and the locking rings hold the sockets nice and tight.

### ⭐⭐⭐⭐⭐ Great design, works well
*by J***0 on July 22, 2024*

Addresses a problem with extensions, sockets fall off in worst places. This extension locks sockets in place without adding any bulk to the extension. Highly recommended

### ⭐⭐⭐⭐⭐ I would buy them over and over again
*by A***R on March 10, 2023*

Even if one breaks, if you fill out a warranty slip on the GearWrench website - they will send a replacement as quickly as they can. Great customer service and great tools. I use these extensions daily.

## Frequently Bought Together

- GEARWRENCH 3 Pc. 1/2" Drive Locking Impact Extension Set Includes 3", 6" & 12" - 84951N
- GEARWRENCH 3 Pc. 3/8" Drive Impact Locking Extension Set 3", 6" & 12" - 84927N
- GEARWRENCH 3 Pc. 1/4" Drive Locking Extension Set Includes 2", 3" & 6" - 81003

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-08*