---
product_id: 213325368
title: "dynofit 6 Spline Drive Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Chrome Lugnuts Socket Replacement Tool for 1/2\" 12x1.5 12x1.25 Lug Nut 12months Warranty"
brand: "dynofit"
price: "$3.15"
currency: USD
in_stock: false
url: https://www.desertcart.us/products/213325368-dynofit-6-spline-drive-tuner-lug-nuts-key-for-wrench
store_origin: US
region: United States of America
---

# Dual hex sizes 19mm & 21mm Precision 6-spline fit Durable SCM 435 alloy steel dynofit 6 Spline Drive Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Chrome Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 12months Warranty

**Brand:** dynofit
**Price:** $3.15
**Availability:** ❌ Out of Stock

## Summary

> 🔩 Unlock precision power with every turn!

## Quick Answers

- **What is this?** dynofit 6 Spline Drive Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Chrome Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 12months Warranty by dynofit
- **How much does it cost?** $3.15 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/213325368-dynofit-6-spline-drive-tuner-lug-nuts-key-for-wrench)

## 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

- • **Perfect Thread Match:** Compatible with 1/2" 12x1.25 & 12x1.5 thread pitches—no slipping, no damage
- • **Dual Hex Compatibility:** Fits both 3/4'' (19mm) & 13/16'' (21mm) wrenches for versatile use
- • **Heavy-Duty Alloy Steel:** Crafted from SCM 435 steel for maximum durability and long-lasting performance
- • **Precision 6-Spline Design:** Engineered exclusively for 6-point spline aftermarket lug nuts ensuring a secure grip
- • **Risk-Free 12-Month Warranty:** Confidence backed by a full year warranty and responsive 24h customer support

## Overview

The Dynofit 6 Spline Drive Tuner Lug Nuts Key is a robust, dual-hex socket tool designed specifically for 6-point spline aftermarket lug nuts with 1/2" 12x1.25 and 12x1.5 thread pitches. Made from premium SCM 435 alloy steel, it guarantees durability and a perfect fit, backed by a 12-month warranty and responsive customer service.

## Description

Small Tips for newbie on If this 6 Spline Socket Key fits your lug nuts your lug nuts must be with 6 splines diameter of your lug nuts end less than 17.75mm(0.69") fits most aftermarket 1/2", 12x1.25, 12x1.5 thread pitch and part OEM lugnuts, measure the size especially for stock lug nuts because some factory lug nuts bigger than aftermarket nuts recommend hand tools to tight them, not powerful impact! or it has danger to break the side or the teeth! 1 year warranty and free exchange if broken by inopportune operation, contact us and reply in 24h recommend buy 2 or more and you can leave them in your garage or tool box this not a 100% perfect key, thanks for your understanding if meet small problems! many kinds of lug nuts in our store!

## Features

- ID0.7", OD0.8",overtall 76mm,depth 45mm, hex 3/4'' (19mm)and 13/16''(21mm)
- Only for 6 Point/spline aftermarket Lug Nuts 1/2", 12x1.25, 12x1.5 thread pitch, Not for hex or spike lug nuts
- Not fit 14x1.5, 14x2.0, 9/16" lug nuts(another size choice in this listing)
- 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 |
|---------------|-------|
| Manufacturer | Fastfree |
| Part number | 6-7-spline |
| Item Weight | 132 g |
| Package Dimensions | 12.29 x 8.1 x 2.9 cm; 132 g |
| Manufacturer reference | 6-7-spline |
| Size | 6 spline key chrome |
| Colour | Black |
| Finish | Painted |
| Material | Alloy Steel |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Head Style | Fixed Square |
| Compatible fastener range | 0.75 inches |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** dynofit
- **Material:** Alloy Steel
- **Drive system:** Spline
- **Finish type:** Painted
- **Number of pieces:** 1

## Images

![dynofit 6 Spline Drive Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Chrome Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 12months Warranty - Image 1](https://m.media-amazon.com/images/I/51+ikrqscJL.jpg)
![dynofit 6 Spline Drive Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Chrome Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 12months Warranty - Image 2](https://m.media-amazon.com/images/I/81dduptJheL.jpg)
![dynofit 6 Spline Drive Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Chrome Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 12months Warranty - Image 3](https://m.media-amazon.com/images/I/71i9X6ySXmL.jpg)
![dynofit 6 Spline Drive Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Chrome Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 12months Warranty - Image 4](https://m.media-amazon.com/images/I/712-JQIb-bL.jpg)
![dynofit 6 Spline Drive Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Chrome Lugnuts Socket Replacement Tool for 1/2" 12x1.5 12x1.25 Lug Nut 12months Warranty - Image 5](https://m.media-amazon.com/images/I/61tFu5YGP6L.jpg)

## Frequently Bought Together

- dynofit 6 Spline Drive Tuner Lug Nuts Key for Wrench with 3/4'' (19mm) and 13/16''(21mm) Hex, Chrome Lugnuts Socket Tool for 1/2" 12x1.5 12x1.25 Lug Nut 12months Warranty
- 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
- MIKKUPPA 6 Point Spline Lug Nuts Tuner Socket Key Tool - with 3/4 inch (19mm) and 13/16 inch (21mm) Hex for 1/2-20 12x1.5 12x1.25 Black Lug Nut Socket

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-19*