---
product_id: 79113538
title: "Click Here to Learn More"
brand: "red devil"
price: "R1451"
currency: ZAR
in_stock: true
category: "Red Devil"
url: https://www.desertcart.co.za/products/79113538-click-here-to-learn-more
store_origin: ZA
region: South Africa
---

# 26:1 thrust ratio - 950 lbs force Revolving barrel for tight spaces Ergonomic rubber grip for comfort Click Here to Learn More

**Brand:** red devil
**Price:** R1451
**Availability:** ✅ In Stock

## Summary

> 🔧 Dominate Every Seal with Power and Precision!

## Quick Answers

- **What is this?** Click Here to Learn More by red devil
- **How much does it cost?** R1451 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/79113538-click-here-to-learn-more)

## Best For

- red devil enthusiasts

## Why This Product

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

## Key Features

- • **Maneuver Like a Pro:** Revolving barrel design lets you work seamlessly in tight, hard-to-reach areas.
- • **Comfort Meets Control:** Ergonomic rubber trigger and push release reduce hand fatigue during extended use.
- • **Built-In Jobsite Efficiency:** Includes seal punch for quick cartridge prep and ladder hook for easy storage on the go.
- • **Zero Waste, Maximum Precision:** Drip-free technology instantly stops flow to keep your work clean and professional.
- • **Power Through the Toughest Jobs:** 26:1 thrust ratio delivers 950 lbs of force for effortless extrusion of thick materials.

## Overview

The Red Devil 3989 Extreme Duty Caulk Gun is a professional-grade hand tool featuring a high 26:1 thrust ratio that generates 950 pounds of force, making it ideal for extruding thick caulks. Its ergonomic rubber grip and revolving barrel enhance comfort and accessibility in tight spaces. Equipped with a seal punch and ladder hook, plus drip-free technology, it ensures efficient, clean, and precise application for both pros and serious DIYers.

## Description

The Red Devil 3989 Extreme Duty Caulk Gun is the ultimate tool for professionals and serious DIYers. With its impressive 26:1 thrust ratio, this powerhouse delivers 950 pounds of force, making it effortless to extrude even the thickest caulking materials. The revolving barrel design allows for smooth operation in tight spaces, while the ergonomic rubber trigger and push release mechanism ensure comfort during extended use. This caulk gun comes equipped with convenient features like a built-in seal punch for quick cartridge preparation and a ladder hook for easy storage on the job site. The drip-free technology prevents material waste by immediately stopping the flow when you release the lever, ensuring clean and precise application every time. Whether you're tackling large-scale construction projects or home improvements, the Red Devil 3989 Extreme Duty Caulk Gun is the reliable, high-performance tool you need for professional results.

## Features

- 26:1 THRUST RATIO: 950 pounds of force easily extrudes the thickest of materials
- COMFORTABLE GRIP: Ergonomic rubber trigger and push release
- REVOLVING BARREL: Allows for effortless maneuvering in tight, hard to reach areas
- INCLUDES SEAL PUNCH & LADDER HOOK: Quickly puncture the seal of caulk cartridges and hangs easily on a ladder when not in use
- DRIP FREE TECHNOLOGY: Stops the flow of material quickly by releasing the lever

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07CVSQJHY |
| Best Sellers Rank | #19,726 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #32 in Hand Caulking Guns |
| Brand | Red Devil |
| Brand Name | Red Devil |
| Color | Black |
| Compatible Material | Rubber |
| Customer Reviews | 4.6 out of 5 stars 3,516 Reviews |
| Global Trade Identification Number | 00075339015995 |
| Item Dimensions L x W x H | 13.8"L x 2.76"W x 8.7"H |
| Item Type Name | 9" Caulk Gun |
| Manufacturer | Red Devil |
| Manufacturer Part Number | 3989 |
| Material Type | Blend |
| Model Number | 3989 |
| Power Source | hand_powered |
| Product Dimensions | 13.8"L x 2.76"W x 8.7"H |
| Style | Extreme Duty |
| Style Name | Extreme Duty |
| UPC | 075339015995 |
| Unit Count | 1.0 Count |
| Wattage | 900 watts |

## Product Details

- **Brand:** Red Devil
- **Color:** Black
- **Item Weight:** 1.7 Pounds
- **Product Dimensions:** 13.8"L x 2.76"W x 8.7"H
- **Style:** Extreme Duty

## Images

![Click Here to Learn More - Image 1](https://m.media-amazon.com/images/I/617o63UEhyL.jpg)

## Available Options

This product comes in different **Set** options.

## Questions & Answers

**Q: Anyone tried this with automotive glass urethane?**
A: Yes, the Red Devil 9" Extreme Duty Caulk Gun #3989 worked great, with minimal effort requirement. 
Used with a 10.5oz metal tube of DuPont BetaSeal U-428 Plus, Primerless to Auto Glass Urethane Adhesive.

**Q: Will 3m 8.5" tubes fit in this gun? 10.5oz?**
A: 3m that is 9 feet an no that will not fit, 8.5 inch tubes will fit and 10.5 oz will fit, most tubes are 4.5cm and they do fit

**Q: Does it have a rotating barrel?**
A: Yes barrel can rotate 360* around

**Q: is this for asphalt too? And is it easy to use?**
A: Yes they have 10.1 ounce tubes of asphalt repair that will fit and work,very easy to use and if you have problems try looking at utube on caulk gun use 👍

## Frequently Bought Together

- Red Devil 3989 9" Extreme Duty Caulk Gun - Hand Caulking Gun - Thrust Ratio 26:1,Black
- Auto Glass Sealant Windshield Urethane Glue Sikaflex P2G Primerless Adhesive x 2
- One Step Primer - Ideal for Windshield Replacement - Promotes Adhesion of Urethan Adhesive/Sealants - UV Resistant - Fast Drying, No Activator - Incl. 2 Daubers and Gloves - Black - 30 mL / 1 fl oz

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.za/products/79113538-click-here-to-learn-more](https://www.desertcart.co.za/products/79113538-click-here-to-learn-more)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-07-09*