---
product_id: 1098158
title: "Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black"
brand: "irwin"
price: "VT8373"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/1098158-locking-chain-clamp-extension-chain-20r-18-inch-40ext-black
store_origin: VU
region: Vanuatu
---

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

**Brand:** irwin
**Price:** VT8373
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your grip game with IRWIN’s locking chain extension!

## Quick Answers

- **What is this?** Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black by irwin
- **How much does it cost?** VT8373 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/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

- • **Extended Reach:** 18-inch chain extension gives you the extra grip and flexibility you need for tough jobs.
- • **Ready to Install:** Includes 5 screws for quick, hassle-free replacement—get back to work faster.
- • **Classic Black Finish:** Sleek, brushed black design that blends professional style with rugged performance.
- • **Seamless Compatibility:** Fits perfectly with your existing 20R IRWIN VISE-GRIP locking tools for effortless upgrades.
- • **Durability You Can Trust:** Replace worn-out parts with high-quality components designed to last.

## Overview

The IRWIN Locking Chain Clamp Extension Chain (model 40EXT) is an 18-inch black extension chain designed to seamlessly fit 20R IRWIN VISE-GRIP locking tools. It includes 5 screws for easy replacement of damaged or worn parts, enhancing the durability and reach of your existing clamp setup. Crafted with a brushed finish and weighing just 9.1 ounces, this hand-powered tool accessory is a must-have for professionals seeking reliable, long-lasting clamp performance.

## Description

Locking Chain Clamp Extension Chain, 20R, 18-Inch (40EXT), Black

## 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
- 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 |
|---------------|-------|
| Manufacturer | IRWIN |
| Part Number | 40EXT |
| Item Weight | 9.1 ounces |
| Product Dimensions | 5.5 x 2.25 x 0.75 inches |
| Item model number | 40EXT |
| Is Discontinued By Manufacturer | No |
| Size | full size |
| Color | Black |
| Style | Classic |
| Finish | Brushed |
| Material | Blend |
| Pattern | Solid |
| Shape | Rectangular |
| Power Source | hand_powered |
| Item Package Quantity | 1 |
| Included Components | CLAMP LOCKING 18" EXTENSION CHAIN |
| Batteries Included? | No |
| Batteries Required? | No |

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

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-06*