---
product_id: 177982778
title: "7-Point Spline Drive Tuner Socket Key Tool for Seven-Spline Drive Tuner Lug Nut Key Replacement 21.5mm Inner Diameter Compatible with 13/16inch(21mm) and 7/8inch(22mm) Hex Socket Wheel Lock Lug Nuts"
brand: "irontek"
price: "₨1474"
currency: LKR
in_stock: false
reviews_count: 8
url: https://www.desertcart.lk/products/177982778-7-point-spline-drive-tuner-socket-key-tool-for-seven
store_origin: LK
region: Sri Lanka
---

# Fits 21.5mm inner diameter & 13/16" & 7/8" hex sockets 7-point spline drive for max grip SCM 435 heat-treated steel for durability 7-Point Spline Drive Tuner Socket Key Tool for Seven-Spline Drive Tuner Lug Nut Key Replacement 21.5mm Inner Diameter Compatible with 13/16inch(21mm) and 7/8inch(22mm) Hex Socket Wheel Lock Lug Nuts

**Brand:** irontek
**Price:** ₨1474
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Unlock your wheel’s potential with precision power!

## Quick Answers

- **What is this?** 7-Point Spline Drive Tuner Socket Key Tool for Seven-Spline Drive Tuner Lug Nut Key Replacement 21.5mm Inner Diameter Compatible with 13/16inch(21mm) and 7/8inch(22mm) Hex Socket Wheel Lock Lug Nuts by irontek
- **How much does it cost?** ₨1474 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/177982778-7-point-spline-drive-tuner-socket-key-tool-for-seven)

## Best For

- irontek enthusiasts

## Why This Product

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

## Key Features

- • **Premium SCM 435 Alloy Steel:** Heat-treated for exceptional strength and long-lasting durability under stress.
- • **Compact & Lightweight Design:** 3.5" length and 0.9" diameter for easy handling and storage without bulk.
- • **Trusted Quality with Warranty:** Backed by a 1-year warranty, ensuring peace of mind with every purchase.
- • **Precision 7-Point Spline Drive:** Engineered for superior torque and secure fit on 7-spline tuner lug nuts.
- • **Versatile Socket Compatibility:** Perfectly fits 21.5mm inner diameter, 13/16" (21mm), and 7/8" (22mm) hex sockets for broad usability.

## Overview

The IRONTEK 7-Point Spline Drive Tuner Socket Key is a high-strength, heat-treated alloy steel tool designed specifically for 7-spline tuner lug nuts. Compatible with 21.5mm inner diameter and common hex socket sizes (13/16" and 7/8"), it delivers superior torque and durability. Compact and lightweight, it’s an essential upgrade for professionals and enthusiasts aiming to protect and enhance their vehicle’s wheel security.

## Description

IRONTEK brand AIM is to provide quality products. We specialize in auto parts parts.  A vehicle owner may find necessary accessories of wheel parts like Ignition coil Door handle wheel spacers, lug nuts and Wheel hub etc.  Great for showing off your wheels and enhancing the overall look and safety of your vehicle.   NOTICE Only compatible with 7-spline tuner style lug nuts Compatible with 19mm (3/4") Hex Sockets Compatible with 21mm (13/16") Hex Sockets

## Features

- 【Note】 Please tighten the lug nuts manually, DO NOT use electrical tools. DRIVE HEX SIZE: 9mm (3/4") & 21mm (13/16") - Length: 3.5" - Diameter: 0.9".
- 【Compatibility】 Most 7 spline 14x1.5, 14x2.0, and 9/16" lug nuts.
- 【DO NOT FIT】DO NOT FIT Lugs with 12x1.5, 12x1.25 or 1/2-20 thread sizes.
- 【HIGH QUALITY】 SCM 435 Steel material, heat treated for exceptional strength. External Pattern that produces better torque and prevents breakage.
- 【INCLUDES】1Pcs 7 Point Spline Tuner Lug Nut Key with 1-Year Warranty. Please rest assured to purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | IRONTEK |
| Material | Alloy Steel |
| Finish Type | Steel |
| Number of Pieces | 1 |
| Drive Bit Shank Style | Spline |
| Manufacturer | IRONTEK |
| Item Weight | 8.4 ounces |
| Product Dimensions | 3.94 x 2.36 x 1.97 inches |
| Item model number | 6d09b477-07fc-49c7-ae47-e1ef246fd564 |
| Manufacturer Part Number | IRKLN80003 |

## Product Details

- **Brand:** IRONTEK
- **Material:** Alloy Steel
- **Finish Type:** Steel
- **Number of Pieces:** 1
- **Drive Bit Shank Style:** Spline

## Images

![7-Point Spline Drive Tuner Socket Key Tool for Seven-Spline Drive Tuner Lug Nut Key Replacement 21.5mm Inner Diameter Compatible with 13/16inch(21mm) and 7/8inch(22mm) Hex Socket Wheel Lock Lug Nuts - Image 1](https://m.media-amazon.com/images/I/51mCnRAwVaL.jpg)
![7-Point Spline Drive Tuner Socket Key Tool for Seven-Spline Drive Tuner Lug Nut Key Replacement 21.5mm Inner Diameter Compatible with 13/16inch(21mm) and 7/8inch(22mm) Hex Socket Wheel Lock Lug Nuts - Image 2](https://m.media-amazon.com/images/I/51PM1OSwJeL.jpg)
![7-Point Spline Drive Tuner Socket Key Tool for Seven-Spline Drive Tuner Lug Nut Key Replacement 21.5mm Inner Diameter Compatible with 13/16inch(21mm) and 7/8inch(22mm) Hex Socket Wheel Lock Lug Nuts - Image 3](https://m.media-amazon.com/images/I/61XHgUCYbKL.jpg)
![7-Point Spline Drive Tuner Socket Key Tool for Seven-Spline Drive Tuner Lug Nut Key Replacement 21.5mm Inner Diameter Compatible with 13/16inch(21mm) and 7/8inch(22mm) Hex Socket Wheel Lock Lug Nuts - Image 4](https://m.media-amazon.com/images/I/51IT3JRFOfL.jpg)
![7-Point Spline Drive Tuner Socket Key Tool for Seven-Spline Drive Tuner Lug Nut Key Replacement 21.5mm Inner Diameter Compatible with 13/16inch(21mm) and 7/8inch(22mm) Hex Socket Wheel Lock Lug Nuts - Image 5](https://m.media-amazon.com/images/I/617AfuCwH7L.jpg)

## Available Options

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

## Questions & Answers

**Q: Have a i need a wheel key lock i have a 2006 vw passat lug nut what i use lock but i was**
A: I think I just had a stroke trying to read this....

## Customer Reviews

### ⭐⭐⭐⭐⭐ Is a good quality for me
*by A***N on June 29, 2025*

Te saca de cualquier emergencia en la carretera

### ⭐⭐⭐⭐⭐ Recomendado
*by G***S on January 22, 2021*

Por segunda ocasión mi esposo se equivoco de medida pero el artículo llego tal cual la foto y de buena calidad

### ⭐⭐⭐⭐⭐ Exactly what I needed
*by A***R on March 19, 2021*

Fits well. Low profile sides to get into tight areas

## Frequently Bought Together

- 7-Point Spline Drive Tuner Socket Key Tool for Seven-Spline Drive Tuner Lug Nut Key Replacement 21.5mm Inner Diameter Compatible with 13/16inch(21mm) and 7/8inch(22mm) Hex Socket Wheel Lock Lug Nuts
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**Shop now:** [https://www.desertcart.lk/products/177982778-7-point-spline-drive-tuner-socket-key-tool-for-seven](https://www.desertcart.lk/products/177982778-7-point-spline-drive-tuner-socket-key-tool-for-seven)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-20*