---
product_id: 534434116
title: "300 Pcs Rubber Grommets Kit, Rubber Wire Grommets, Rubber Hole Grommet Gaskets, Hollow Firewall Hole Plug Grommets for Wiring Plumbing Automotive - 8 Sizes, 1/4\" 3/8\" 5/8\" 7/8\" 5/16\" 1/2\" 7/16\" 1\""
brand: "bnnrjia"
price: "5.48 OMR"
currency: OMR
in_stock: true
reviews_count: 8
category: "Bnnrjia"
url: https://www.desertcart.com.om/products/534434116-300-pcs-rubber-grommets-kit-rubber-wire-grommets-rubber-hole
store_origin: OM
region: Oman
---

# Flame retardant & heat resistant 300 pcs multi-size kit in organized box Protects wires from sharp edges & elements 300 Pcs Rubber Grommets Kit, Rubber Wire Grommets, Rubber Hole Grommet Gaskets, Hollow Firewall Hole Plug Grommets for Wiring Plumbing Automotive - 8 Sizes, 1/4" 3/8" 5/8" 7/8" 5/16" 1/2" 7/16" 1"

**Brand:** bnnrjia
**Price:** 5.48 OMR
**Availability:** ✅ In Stock

## Summary

> 🛠️ Protect your wires like a pro — don’t get caught without the perfect grommet!

## Quick Answers

- **What is this?** 300 Pcs Rubber Grommets Kit, Rubber Wire Grommets, Rubber Hole Grommet Gaskets, Hollow Firewall Hole Plug Grommets for Wiring Plumbing Automotive - 8 Sizes, 1/4" 3/8" 5/8" 7/8" 5/16" 1/2" 7/16" 1" by bnnrjia
- **How much does it cost?** 5.48 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/534434116-300-pcs-rubber-grommets-kit-rubber-wire-grommets-rubber-hole)

## Best For

- bnnrjia enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Protection:** Safeguards wires, cables, and pipes from sharp metal edges, dust, and moisture across automotive, plumbing, and electrical uses.
- • **Effortless Installation:** Designed for quick screw-in setup, saving you time on every project.
- • **All-in-One Organized Kit:** 300 assorted grommets neatly sorted by size in a portable storage box for instant access.
- • **Engineered for Every Size:** Includes 8 different sizes to fit virtually any wiring or plumbing hole, eliminating guesswork.
- • **Ultimate Heat & Flame Defense:** High-quality rubber resists heat, flame, and corrosion for long-lasting durability.

## Overview

This 300-piece Rubber Grommets Kit features premium flame-retardant, heat-resistant rubber gaskets in 8 sizes, all organized in a compact storage box. Designed for easy installation, these grommets protect wiring and plumbing from sharp edges, dust, and moisture, making them essential for automotive, electrical, and home improvement projects. Trusted by professionals for durability and versatility.

## Description

Product Information: - Product name: Rubber Washer Kit - Material: Rubber - Color: Black - Size: As shown in the picture - Quantity: 300 pieces Package includes: 140 pieces - 1/4 inch 40 pieces - 3/8 inch 5 pieces - 5/8 inch 5 pieces - 7/8 inch 60 pieces - 5/16 inch 20 pieces - 1/2 inch 25 pieces - 7/16 inch 5 pieces - 1 inch Features: - Made of high-quality rubber material, strong and durable, longer service life, flame retardant and insulating. - The rubber washers are placed in a plastic box to keep them separated and organized so that you can find the correct size easily. - The rubber gasket helps protect the wires from sharp metal edges, dust and rain. - Easy to install, just screw it directly into place. - Great for wall holes, workshops, plumbing services, wires, cables, firewalls, cars, pumps, appliances, water pipes and more. Warm Tips: - The size is measured by hand, please allow slight errors. - Due to your monitor color settings, the color may be slightly different from the online image, please refer to the actual product, thank you for your understanding.

Review: Great Variety and Quality, Perfect for Projects! - This grommet kit has been super handy! The assortment of sizes covers just about any need, and the rubber is durable and easy to work with. They look well-made and function as designed. Ideal for automotive and wiring jobs, great value for the price!
Review: Excellent for running wires through automotive firewall! - Excellent collection of rubber grommets! I always install aftermarket stereo systems and custom lighting in my vehicles and these are great for protecting wires when running through the firewall. I highly recommend this kit as it provides grommets for almost any gauge wire!

## Features

- Superb Material: Made of high-quality rubber material, which is resistant to high temperature, flame retardance, insulation, greater flexibility and elasticity, corrosion resistance, and can withstand wear, tear, heat, light, current, etc, is durable and has a longer service life.
- Easy to Store: All rubber grommets for wiring are packed in a storage box, the storage box has a separate size compartment. Make it easy for you to find the correct size quickly, easy to use, find, and carry.
- Practical Design: The rubber gasket is easy to install and can be screwed directly into place. It helps to protect the wire from the impact of sharp metal edges, dust and rain. Better protect your cables, wires and pipes.
- Widely Used: Suitable for many industries, such as wall holes, workshops, pipe services, wires, cables, firewalls, cars, pumps, electrical appliances, water pipes and PC hardware/piano maintenance, decoration, etc.
- Package Includes: You will receive 140 pcs 1/4", 40 pcs 3/8", 5 pcs 5/8", 5 pcs 7/8", 60 pcs 5/16", 20 pcs 1/2", 25 pcs 7/16", 5 pcs 1", a total of 300 pcs. Different sizes and sufficient quantities are enough to meet your daily use needs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.6 out of 5 stars 159 Reviews |

## Images

![300 Pcs Rubber Grommets Kit, Rubber Wire Grommets, Rubber Hole Grommet Gaskets, Hollow Firewall Hole Plug Grommets for Wiring Plumbing Automotive - 8 Sizes, 1/4" 3/8" 5/8" 7/8" 5/16" 1/2" 7/16" 1" - Image 1](https://m.media-amazon.com/images/I/71EkDmLtg9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Variety and Quality, Perfect for Projects!
*by R***W on May 5, 2025*

This grommet kit has been super handy! The assortment of sizes covers just about any need, and the rubber is durable and easy to work with. They look well-made and function as designed. Ideal for automotive and wiring jobs, great value for the price!

### ⭐⭐⭐⭐⭐ Excellent for running wires through automotive firewall!
*by S***P on October 20, 2025*

Excellent collection of rubber grommets! I always install aftermarket stereo systems and custom lighting in my vehicles and these are great for protecting wires when running through the firewall. I highly recommend this kit as it provides grommets for almost any gauge wire!

### ⭐⭐⭐⭐⭐ Great assortment of grommets.
*by F***N on December 1, 2025*

Great for protecting anything going through a panel, especially wires and cords. The size assortment is perfect for just about anything, too.

## Frequently Bought Together

- 300 Pcs Rubber Grommets Kit, Rubber Wire Grommets, Rubber Hole Grommet Gaskets, Hollow Firewall Hole Plug Grommets for Wiring Plumbing Automotive - 8 Sizes, 1/4" 3/8" 5/8" 7/8" 5/16" 1/2" 7/16" 1"
- Vrupin 188 Pieces Closed Rubber Grommet Firewall Solid Closed Hole Plug Assortment Kit for Wire Electrical Appliance Plumbing
- Gysxrda Rubber Grommet Kit 200 Pack - 7 Sizes Firewall Rubber Hole Plugs Rubber Grommets for Wiring, Automotive, Home Improvement Cord Pipe Wire Organization (7/25, 3/8, 1/2, 5/8, 3/4, 7/8, 1 inch)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-22*