---
product_id: 325674110
title: "dynofit 6 Spline Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Lugnuts Socket Replacement Tool for 1/2\" 12x1.5 12x1.25 Lug Nut 1 Year Warranty 7 spline key Black 6-7-spline"
brand: "dynofit"
price: "AR$74058"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/325674110-dynofit-6-spline-tuner-lug-nuts-key-for-wrench-3
store_origin: AR
region: Argentina
---

# 1-year warranty 7-spline compatibility Durable SCM 435 steel dynofit 6 Spline Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 1 Year Warranty 7 spline key Black 6-7-spline

**Brand:** dynofit
**Price:** AR$74058
**Availability:** ✅ In Stock

## Summary

> 🔧 Unlock the Power of Precision!

## Quick Answers

- **What is this?** dynofit 6 Spline Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 1 Year Warranty 7 spline key Black 6-7-spline by dynofit
- **How much does it cost?** AR$74058 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/325674110-dynofit-6-spline-tuner-lug-nuts-key-for-wrench-3)

## Best For

- dynofit enthusiasts

## Why This Product

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

## Key Features

- • **Precision Fit:** Designed for 7-point/spline lug nuts, ensuring a snug and secure fit.
- • **Robust Construction:** Crafted from SCM 435 hard steel for unmatched durability and performance.
- • **Quick Response Support:** Enjoy peace of mind with a 1-year warranty and 24-hour customer service.
- • **Versatile Compatibility:** Works seamlessly with various lug nut sizes, including 14x1.5 and 12x2.0.
- • **Enhanced Torque Performance:** Engineered to perform exceptionally under hand wrench applications.

## Overview

The dynofit 6 Spline Tuner Lug Nuts Key is a high-performance tool designed for professional mechanics and DIY enthusiasts alike. With a robust construction from SCM 435 steel, it ensures durability and reliability. This versatile tool fits a range of lug nut sizes and comes with a 1-year warranty, making it a must-have for anyone looking to enhance their automotive toolkit.

## Description

dynofit 6 Spline Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 1 Year Warranty 7 spline key Black 6-7-spline

## Features

- ★Inner Diameter 0.75", Outer Diameter 0.9", Length 3.5", fits wrench with Hex 13/16"(21mm) and 7/8"(22mm)
- ★Work with 7 Point/spline Lug Nuts 14x1.5/M14x1.5, 12x2.0, 9/16" thread pitch
- ★More styles lug nuts visit our store or search our brand name "dynofit" for the list
- ★SCM 435 hard steel, durable teeth and shape! perform well under hand wrench!
- ★1 year warranty and free exchange if broken, contact us and reply in 24h!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07GV7J767 |
| Best Sellers Rank | #4,816 in Automotive ( See Top 100 in Automotive ) #25 in Wheel & Tire Lug Nuts |
| Brand | dynofit |
| Color | Black |
| Date First Available | August 26, 2018 |
| Exterior Finish | Black Electrophoretic |
| Fastener Type | Wheel |
| Finish Type | Black Plated |
| Inside Thread Size | M14 x 1.5 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5.9 ounces |
| Item dimensions L x W x H | 0.87 x 0.83 x 3.5 inches |
| Item model number | NKEY7B |
| Manufacturer | Fastfree |
| Material | Alloy Steel |
| Metal Type | Alloy Steel |
| Number of Pieces | 1 |
| Product Dimensions | 0.87 x 0.83 x 3.5 inches |
| Size | 7 Spline with Hex 13/16" and 7/8" |
| Thread Class | Class 2A |
| Thread Coverage | Fully Threaded |
| Thread Size | M14 x 1.5 |
| Thread Style | Right Hand |
| Thread Type | Iso Metric |
| UPC | 661748968313 |

## Product Details

- **Color:** Black
- **Exterior Finish:** Black Electrophoretic
- **Fastener Type:** Wheel
- **Material:** Alloy Steel
- **Thread Size:** M14 x 1.5

## Images

![dynofit 6 Spline Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 1 Year Warranty 7 spline key Black 6-7-spline - Image 1](https://m.media-amazon.com/images/I/51jMhNEy0AL.jpg)
![dynofit 6 Spline Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 1 Year Warranty 7 spline key Black 6-7-spline - Image 2](https://m.media-amazon.com/images/I/61Xp6L63DXL.jpg)
![dynofit 6 Spline Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 1 Year Warranty 7 spline key Black 6-7-spline - Image 3](https://m.media-amazon.com/images/I/8177cpJfHJL.jpg)
![dynofit 6 Spline Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 1 Year Warranty 7 spline key Black 6-7-spline - Image 4](https://m.media-amazon.com/images/I/711CsFLmlSL.jpg)
![dynofit 6 Spline Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 1 Year Warranty 7 spline key Black 6-7-spline - Image 5](https://m.media-amazon.com/images/I/61ESc+rmqpL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is there a larger size than this? I have 6 spline lugs but all the keys are too small to fit over the lugs.**
A: Hi Dear Customer, for the 6 spline lug nut key, we only have the size like this 19/21mm, kind regards

**Q: Looking for 7 splines wheel nut 17 mm socket?**
A: this 7 splined lug nuts socket key onlt with 21mm 22mm hex
so sorry

**Q: Will this work with a 21 mm or 7/8 of an inch ?**
A: Yes

**Q: Does this work with the 4in spike lug nuts?**
A: recommend another scoket for spike lug nuts:
asin:B07KHR1MMM

## Frequently Bought Together

- DYNOFIT 7 Spline Tuner Lug Nuts Key for Wrench with 13/16inch(21mm) and 7/8inch(22mm) Hex, Lugnuts Socket Replacement Tool for 14x1.5, 14x2.0, 9/16inch Lug Nut 1 Year Warranty
- Circuit Performance Large Black 6 Point Spline Truck SUV Tool Key
- Small 6 Point Spline Lug Nuts Key Tuner Socket Tool -Diameter Lock Lug Nut Key Compatible with 3/4 in (19mm) and 13/16 in(21mm) Hex Replacement Socket 12x1.5 12x1.25 1/2-20 10x1.25 3/8-20 Black

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-02*