---
product_id: 1098158
title: "Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black"
brand: "irwin"
price: "103.49 DT"
currency: TND
in_stock: true
category: "Irwin"
url: https://www.desertcart.tn/products/1098158-locking-chain-clamp-extension-chain-20r-18-inch-40ext-black
store_origin: TN
region: Tunisia
---

# 18-inch heavy-duty extension chain Compatible with 20R IRWIN VISE-GRIP clamps 5 replacement screws included Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black

**Brand:** irwin
**Price:** 103.49 DT
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in power, extend your reach, and never miss a grip!

## Quick Answers

- **What is this?** Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black by irwin
- **How much does it cost?** 103.49 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/1098158-locking-chain-clamp-extension-chain-20r-18-inch-40ext-black)

## 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:** Includes 5 robust replacement screws to keep your clamp performing like new—no downtime, no hassle.
- • **Extend Your Grip Power:** Seamlessly add 18 inches of durable chain to your existing 20R VISE-GRIP clamp for tackling larger projects.
- • **Perfect Fit Every Time:** Designed specifically for 20R IRWIN locking chain clamps, ensuring flawless compatibility and secure locking.
- • **Classic IRWIN Reliability:** Crafted with a solid, brushed finish and premium materials trusted by professionals worldwide.
- • **Upgrade Without Replacement:** Replace worn or damaged parts easily and cost-effectively—keep your trusted tool in peak condition.

## Overview

The IRWIN Locking Chain Clamp Extension Chain (model 40EXT) is an 18-inch black extension designed exclusively for 20R IRWIN VISE-GRIP locking chain clamps. It includes 5 replacement screws to maintain optimal performance and durability, allowing professionals to extend their clamp’s capacity without replacing the entire tool. Crafted with a solid, brushed finish and weighing just 9.1 ounces, this extension ensures reliable, long-lasting use for demanding projects.

## 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.

## 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 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #117,621 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #125 in Vise Grips & Locking Pliers |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (537) |
| Date First Available | November 9, 2004 |
| Finish | Brushed |
| Included Components | CLAMP LOCKING 18" EXTENSION CHAIN |
| Is Discontinued By Manufacturer | No |
| 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

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

## 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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**Shop now:** [https://www.desertcart.tn/products/1098158-locking-chain-clamp-extension-chain-20r-18-inch-40ext-black](https://www.desertcart.tn/products/1098158-locking-chain-clamp-extension-chain-20r-18-inch-40ext-black)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-17*