---
product_id: 315972192
title: "Fastronix 3/8\" Stud Terminal Covers Red and Black"
brand: "fastronix solutions"
price: "€ 33.01"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/315972192-fastronix-3-8-stud-terminal-covers-red-and-black
store_origin: PT
region: Portugal
---

# Shorting Prevention Black Cover Red Cover Fastronix 3/8" Stud Terminal Covers Red and Black

**Brand:** fastronix solutions
**Price:** € 33.01
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Connections with Style!

## Quick Answers

- **What is this?** Fastronix 3/8" Stud Terminal Covers Red and Black by fastronix solutions
- **How much does it cost?** € 33.01 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/315972192-fastronix-3-8-stud-terminal-covers-red-and-black)

## Best For

- fastronix solutions enthusiasts

## Why This Product

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

## Key Features

- • **🔒 Safety First:** Prevents incidental shorting, keeping your connections secure and reliable.
- • **🔋 Battery Ready:** Optimized for use with 2/0 or smaller battery cables, perfect for your power needs.
- • **🔧 Versatile Fit:** Designed for 3/8" studs and nuts, ensuring compatibility with various setups.
- • **📦 Compact Design:** Lightweight at just 18 grams, making it easy to handle and install.
- • **🛠️ Smooth Finish:** Exterior designed for easy application and a professional look.

## Overview

The Fastronix 3/8" Stud Terminal Covers come in a set of two—one red and one black—designed to fit snugly over 3/8" studs and nuts. These flexible covers are perfect for use with 2/0 or smaller battery cables, preventing incidental shorting and ensuring a safe, reliable connection. With a lightweight design and smooth exterior, they are ideal for both professional and DIY applications.

## Description

Fastronix 3/8" Stud Terminal Covers Red and Black

## Features

- Includes (1) Red and (1) Black Terminal Cover
- Flexible Cover is Designed to Fit over 3/8" Stud and Nut
- Use with 2/0 or Smaller Battery Cable
- Prevent Incidental Shorting
- Use with Fastronix 406-252 Junction Blocks

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Fastronix Solutions |
| Brand | Fastronix Solutions |
| Package Dimensions | 11.4 x 11.4 x 2.21 cm; 18 Grams |
| Manufacturer reference | 404-120 |
| Exterior | Smooth |
| Manufacturer part number | 404-120 |
| Item Weight | 18 g |

## Images

![Fastronix 3/8" Stud Terminal Covers Red and Black - Image 1](https://m.media-amazon.com/images/I/71DMqP6DKXL.jpg)
![Fastronix 3/8" Stud Terminal Covers Red and Black - Image 2](https://m.media-amazon.com/images/I/61xJPtAhRhL.jpg)
![Fastronix 3/8" Stud Terminal Covers Red and Black - Image 3](https://m.media-amazon.com/images/I/61cM0daUClL.jpg)
![Fastronix 3/8" Stud Terminal Covers Red and Black - Image 4](https://m.media-amazon.com/images/I/81tvsZ66hjL.jpg)

## Available Options

This product comes in different **Colour Name** options.

## Questions & Answers

**Q: How big is the head of the boot? heavy duty ftz 1/0 power lugs are over 3/4" wide at the flat part. i'm wondering if they will fit.**
A: The I.D. of the terminal end of the boot is 11/16". These boots do stretch a little bit but that lug is probably a little large for this boot.

**Q: will they fit 4/0 cable**
A: The openings on each end are 5/8". The cable will fit through that but it may be tight with the battery cable ends and may require some trimming.

**Q: Does fastronix make a boot that works with the high current 3/8" thru panel battery terminal connectors? i tried these , but they don't work.**
A: I've used both those pieces. I ended up warming the covers for pliability, and stretching the boot around the terminal.
Has not caused any problems after a year.

**Q: Will these fit 1/0 cable?**
A: Yes these will fit 1/0 cable.

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**Shop now:** [https://www.desertcart.pt/products/315972192-fastronix-3-8-stud-terminal-covers-red-and-black](https://www.desertcart.pt/products/315972192-fastronix-3-8-stud-terminal-covers-red-and-black)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-23*