---
product_id: 1098158
title: "IRWIN Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black"
brand: "irwin"
price: "€ 29.51"
currency: EUR
in_stock: true
reviews_count: 13
category: "Irwin"
url: https://www.desertcart.nl/products/1098158-irwin-locking-chain-clamp-extension-chain-20r-18-inch-40ext
store_origin: NL
region: Netherlands
---

# 18-inch extension chain 5 replacement screws included Fits 20R IRWIN VISE-GRIP tools IRWIN Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black

**Brand:** irwin
**Price:** € 29.51
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in precision, extend your power – don’t get left behind!

## Quick Answers

- **What is this?** IRWIN Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black by irwin
- **How much does it cost?** € 29.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/1098158-irwin-locking-chain-clamp-extension-chain-20r-18-inch-40ext)

## Best For

- irwin enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Robust black brushed finish resists wear and tear
- • **Ready for Action:** Includes 5 durable screws to replace worn parts instantly
- • **Extend Your Grip Power:** 18-inch chain extension for versatile clamping reach
- • **Seamless Compatibility:** Designed specifically for 20R IRWIN VISE-GRIP locking tools
- • **Upgrade Without Replacement:** Replace damaged parts and keep your trusted tool in top shape

## Overview

The IRWIN Locking Chain Clamp Extension Chain (model 40EXT) is an 18-inch black extension chain designed to fit 20R IRWIN VISE-GRIP locking tools. It includes 5 replacement screws to easily swap out worn or damaged parts, ensuring your clamp stays reliable and ready for any job. With a durable brushed finish and precise fit, this extension keeps your trusted tool performing at peak efficiency.

## Description

This IRWIN VISE-GRIP Extension Chain includes 5 screws to replace damaged or worn-out pieces on your existing VISE-GRIP locking tools. The vise parts work with 20R locking chain clamps.

Review: IRWIN Locking Chain Clamp Extension Chain – Sturdy and Reliable - The IRWIN Locking Chain Clamp Extension Chain (20R, 18-Inch, 40EXT) is an incredibly versatile tool that has become a staple in my workshop. As someone who frequently works on irregularly shaped objects and hard-to-clamp materials, this chain clamp has proven to be indispensable for securely holding items in place while I work. Here's what I love about it: Durable and Strong The quality of construction is immediately noticeable. The clamp feels sturdy and well-built, with durable metal that stands up to tough jobs. The chain itself is solid and doesn’t feel flimsy or prone to breaking, even when you’re applying a lot of pressure. Whether you’re working with pipes, cylinders, or oddly shaped items, this clamp holds up well, securing items in place without slipping. Versatile Clamping One of the biggest advantages of this tool is its versatility. Unlike standard clamps that are limited to flat or rectangular objects, the chain design allows you to clamp around anything that doesn’t have a uniform shape. This has been a game-changer for me when working with round pipes, irregular metalwork, and large items that wouldn’t fit in a traditional clamp. The 18-inch length gives plenty of range, allowing you to work on a variety of different-sized objects with ease. Excellent Locking Mechanism The locking mechanism is one of the standout features of this clamp. Once you’ve wrapped the chain around the object and tightened it, the clamp locks securely into place and stays locked until you release it. I’ve never experienced any slippage, and it provides a really strong hold, which is crucial when you’re working on more precise projects or heavy-duty tasks. The quick-release feature is smooth and easy to use, making adjustments hassle-free. Comfort and Usability The clamp is not only reliable but also easy to use. It has a comfortable handle, and the tension can be adjusted easily, even while wearing gloves. The design allows for a firm grip, and I’ve never experienced any discomfort, even when using it for extended periods of time. I also appreciate how easy it is to reposition or adjust the chain as needed, allowing for quick adjustments during a project without much downtime. Value for Money Given the level of durability, versatility, and ease of use, the IRWIN Locking Chain Clamp is priced very reasonably. For professionals and DIY enthusiasts alike, this is a tool that delivers excellent value for the price. Its long-lasting build means I don’t foresee needing to replace it any time soon, which only adds to its appeal. Final Thoughts The IRWIN Locking Chain Clamp Extension Chain is an outstanding tool that offers strength, durability, and versatility for a wide range of projects. Whether you're working on irregularly shaped objects or simply need a reliable clamp for heavy-duty tasks, this chain clamp performs beautifully. It’s easy to use, locks securely, and feels like it’s built to last. Highly recommended for anyone in need of a dependable clamping solution!
Review: It works on Milwaukee chain grips - Why did you pick this product vs others?: Needed a extension for Milwaukee chain grips and they don’t have one available, tried this one and it worked just fine

## Features

- Vise parts fit your existing 20R IRWIN VISE-GRIP locking tools
- Vise parts replace damaged or worn-out parts
- Choose the appropriate size for your existing tool

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00018AENO |
| Best Sellers Rank | #102,248 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #111 in Vise Grips & Locking Pliers |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (541) |
| Date First Available | November 9, 2004 |
| Finish | Brushed |
| Included Components | CLAMP LOCKING 18" EXTENSION CHAIN |
| Item Package Quantity | 1 |
| Item Weight | 9.1 ounces |
| Item model number | 40EXT |
| Manufacturer | IRWIN |
| Material | Blend |
| Part Number | 40EXT |
| Pattern | Solid |
| Power Source | hand_powered |
| Product Dimensions | 5.5 x 2.25 x 0.75 inches |
| Shape | Rectangular |
| Size | full size |
| Style | Classic |

## Images

![IRWIN Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black - Image 1](https://m.media-amazon.com/images/I/71GAHz7rc+L.jpg)
![IRWIN Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black - Image 2](https://m.media-amazon.com/images/I/71yoNNmfhKL.jpg)
![IRWIN Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black - Image 3](https://m.media-amazon.com/images/I/71smM6TEEqL.jpg)
![IRWIN Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black - Image 4](https://m.media-amazon.com/images/I/31cvcN7oduL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ IRWIN Locking Chain Clamp Extension Chain – Sturdy and Reliable
*by C***I on September 25, 2024*

The IRWIN Locking Chain Clamp Extension Chain (20R, 18-Inch, 40EXT) is an incredibly versatile tool that has become a staple in my workshop. As someone who frequently works on irregularly shaped objects and hard-to-clamp materials, this chain clamp has proven to be indispensable for securely holding items in place while I work. Here's what I love about it: Durable and Strong The quality of construction is immediately noticeable. The clamp feels sturdy and well-built, with durable metal that stands up to tough jobs. The chain itself is solid and doesn’t feel flimsy or prone to breaking, even when you’re applying a lot of pressure. Whether you’re working with pipes, cylinders, or oddly shaped items, this clamp holds up well, securing items in place without slipping. Versatile Clamping One of the biggest advantages of this tool is its versatility. Unlike standard clamps that are limited to flat or rectangular objects, the chain design allows you to clamp around anything that doesn’t have a uniform shape. This has been a game-changer for me when working with round pipes, irregular metalwork, and large items that wouldn’t fit in a traditional clamp. The 18-inch length gives plenty of range, allowing you to work on a variety of different-sized objects with ease. Excellent Locking Mechanism The locking mechanism is one of the standout features of this clamp. Once you’ve wrapped the chain around the object and tightened it, the clamp locks securely into place and stays locked until you release it. I’ve never experienced any slippage, and it provides a really strong hold, which is crucial when you’re working on more precise projects or heavy-duty tasks. The quick-release feature is smooth and easy to use, making adjustments hassle-free. Comfort and Usability The clamp is not only reliable but also easy to use. It has a comfortable handle, and the tension can be adjusted easily, even while wearing gloves. The design allows for a firm grip, and I’ve never experienced any discomfort, even when using it for extended periods of time. I also appreciate how easy it is to reposition or adjust the chain as needed, allowing for quick adjustments during a project without much downtime. Value for Money Given the level of durability, versatility, and ease of use, the IRWIN Locking Chain Clamp is priced very reasonably. For professionals and DIY enthusiasts alike, this is a tool that delivers excellent value for the price. Its long-lasting build means I don’t foresee needing to replace it any time soon, which only adds to its appeal. Final Thoughts The IRWIN Locking Chain Clamp Extension Chain is an outstanding tool that offers strength, durability, and versatility for a wide range of projects. Whether you're working on irregularly shaped objects or simply need a reliable clamp for heavy-duty tasks, this chain clamp performs beautifully. It’s easy to use, locks securely, and feels like it’s built to last. Highly recommended for anyone in need of a dependable clamping solution!

### ⭐⭐⭐⭐⭐ It works on Milwaukee chain grips
*by C***M on July 12, 2025*

Why did you pick this product vs others?: Needed a extension for Milwaukee chain grips and they don’t have one available, tried this one and it worked just fine

### ⭐⭐⭐⭐⭐ A must have to lengthen the chain vise grips
*by V***R on March 5, 2026*

Needed it, will last forever

## Frequently Bought Together

- IRWIN Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black
- Irwin Tools 27 Irwin Industrial Vise-Grip Locking Chain Clamp, 9”
- Strong Hand Tools Locking Chain Pliers, Removable 48″ Chain, Holds Up To 14" Diameter Pipes, Unique Easy Open Crank Handle, Quick Release Trigger, PFC1048, Strong Hand Tools

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-08-29*