3 Piece 3/8" Extension Bar Set media thumbnails
3pc 3/8'' EXTENSION BAR SET (3, 6, 9 inch) (CRV)
3pc 3/8'' EXTENSION BAR SET (3, 6, 9 inch) (CRV)
3pc 3/8'' EXTENSION BAR SET (3, 6, 9 inch) (CRV)
3pc 3/8'' EXTENSION BAR SET (3, 6, 9 inch) (CRV)

3 Piece 3/8" Extension Bar Set

£5.99

Tax included

They are made from CRV (Chrome Vanadium) steel, which is drop forged and heat treated for enhanced strength and durability for added protection.

Add £40.00 more for FREE shipping!

Get next day delivery if you order before 2pm

Product Title & Introduction

Amtech – 3 Piece 3/8" Extension Bar Set for Confined Fastening Tasks, 75mm / 150mm / 225mm, Drop Forged Steel with Chrome Finish
This 3 piece 3/8" extension bar set provides reach in confined or recessed areas. Manufactured from drop forged, heat treated steel with a polished chrome finish for durability. Not suitable for impact drivers.

How to Use It

1) Select the required extension length

2) Connect between the ratchet and socket

3) Position onto the recessed fastener

4) Tighten or loosen with controlled movement

5) Do not use with an impact driver

We work hard to make sure Amtech tools are reliable as well as affordable. However, if you have a problem with any product, we want to get your job up and running again as quickly as possible.

All our hand tools are backed by a three year product replacement warranty and our power tools range are covered for up to two years.

So if something develops a fault within the specified warranty period, we’ll replace it, subject to proof of purchase.

3 Piece 3/8

Is This the Right Tool for You

Is This the Right Tool for You?

✅Choose this set if you work on maintenance, assembly or mechanical tasks with restricted clearance and require controlled manual fastening.

❌If you require extensions for impact drivers, this is not the correct product.

How This Tool Makes Your Job Easier

How This Tool Makes Your Job Easier

This set gives you the correct reach for confined or recessed fasteners without improvising tool angles or removing surrounding components unnecessarily. It improves access, control and accuracy in tight working areas.

3 Piece 3/8

How We Compare

Feature ✅ 3 Piece 3/8" Extension Bar Set ❌ Other
Reach & Access ✅ Amtech Set — 3 lengths (75/150/225mm) for flexible access in confined spaces ❌ Single-Length Extensions — Restrict reach and force awkward positioning
Build Quality ✅ Amtech Set — Drop forged, heat treated steel with chrome finish for long service life ❌ Lower-Grade Alternatives — May twist, corrode or prematurely wear
Application Suitability ✅ Amtech — Defined for manual ratchet use ❌ Mixed-Use Sets — Often misused with impact tools, reducing lifespan or causing failure

Why Buy from Amtech?

🔧 Why Choose Amtech? • Trusted Quality: Over 30 years of reliable performance. • Everyday Practicality: Designed for real jobs – smart, durable, easy to use. • Great Value: Professional results without the premium price tag. • Ongoing Support: Straightforward warranties and UK-based after-care. • 90-Day Free Returns: Just in case it’s not quite right for your project.

Frequently Asked Questions

You have questions, we have answers

What makes Amtech tools different from other brands?

How can I get assistance if I'm unsure which Amtech tool is right for my project?

What’s your returns policy?

What warranty do you offer?

Can I buy Amtech locally?

DIY Know How DIY Know How

DIY Know How

At Amtech, our mission is to empower every DIY’er—no matter their experience level—to tackle tasks with confidence and ease. We provide affordable, reliable tools, along with honest advice and practical know-how, so you can feel supported every step of the way.

Learn More

Find a Stockist