---
product_id: 714635220
title: "WINKER Countertop Support Bracket 4 Pack Heavy Duty 3/8\" Thick Hidden L Shelf Bracket 12\" x 6\" x 2.5\" Metal Corbels for Quartz/Granite/Wood/Concrete/Laminate Countertops, White"
brand: "winker"
price: "$450.34"
currency: USD
in_stock: true
reviews_count: 13
category: "Winker"
url: https://www.desertcart.ec/products/714635220-winker-countertop-support-bracket-4-pack-heavy-duty-3-8
store_origin: EC
region: Ecuador
---

# 12" x 6" x 2.5" size 0.4" (10mm) thick steel 300lb load capacity WINKER Countertop Support Bracket 4 Pack Heavy Duty 3/8" Thick Hidden L Shelf Bracket 12" x 6" x 2.5" Metal Corbels for Quartz/Granite/Wood/Concrete/Laminate Countertops, White

**Brand:** winker
**Price:** $450.34
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your countertops with invisible strength and style!

## Quick Answers

- **What is this?** WINKER Countertop Support Bracket 4 Pack Heavy Duty 3/8" Thick Hidden L Shelf Bracket 12" x 6" x 2.5" Metal Corbels for Quartz/Granite/Wood/Concrete/Laminate Countertops, White by winker
- **How much does it cost?** $450.34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/714635220-winker-countertop-support-bracket-4-pack-heavy-duty-3-8)

## Best For

- winker enthusiasts

## Why This Product

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

## Key Features

- • **Rock-Solid Strength:** Supports up to 300 lbs per pair for ultimate countertop security.
- • **Sleek & Hidden Design:** Discreet L-shape brackets keep your space open and stylish without bulky corbels.
- • **Rustic Industrial Chic:** Frosted white finish adds a modern yet rustic vibe, elevating your kitchen or workspace aesthetic.
- • **Effortless Installation:** Comes with all hardware and clear tutorials—get professional results without the hassle.
- • **Versatile Compatibility:** Perfectly engineered for quartz, granite, wood, concrete, and laminate surfaces.

## Overview

The WINKER Countertop Support Bracket 4 Pack features heavy-duty 0.4" thick steel L brackets measuring 12" x 6" x 2.5", designed to support up to 300 lbs per pair. Ideal for quartz, granite, wood, concrete, and laminate countertops, these brackets provide a hidden, sleek support solution that enhances both safety and style. Each pack includes four brackets with all necessary hardware and a durable white finish, perfect for modern rustic or industrial interiors.

## Description

The benefit of our countertop support bracket is as following: SUPPORT - and strengthen your granite countertops helping you avoid potentially costly and dangerous breaks. HIDDEN - They provide a more spacious and open looking looking environment. TOUGH - Most of our brackets are made of 1/2 inch steel and have multiple mounting points. SAFE - Our brackets mount directly to your knee / pony wall providing a strong and stable structure for your granite countertop to rest on. THIN - no corbels or braces for you or your guests to hit their knees on. EASY - to install. Learn how to properly install our brackets by following our easy to understand tutorials. INEXPENSIVE - typically much less expensive than corbels. What length granite bracket will you need? Typically the bracket will be the same length as the overhang. If the overhang is 12 inch, the length of the bracket should include the width of the knee wall. In most instances the knee wall is 4 inches wide. The overhang plus the knee wall = 16 inches. Granite Brackets should be set three - four inches back from the edge of the granite counter top to insure they are hidden from view. So - 16 inches - 4 inches = 12 inch brackets. If your knee wall is made from 2 x 6s then be sure to adjust your size to accommodate the extra 2 inches.

Review: Heavy duty product, very well made - These brackets are extremely good quality. They are very heavy duty. We are using these brackets to support 12' x 16" x 2" black walnut shelves. I have no doubt these will support the weight easily. The welds are also done very good, as well as the coating/ finish. I did find that the screws provided for wall side did not fit the hole properly. I contacted the seller and they were extremely responsive and worked with me to get the correct screws. I have never dealt directly with a seller in China, and was very impressed with their willingness to help and make their customer happy. I will definitely purchase from them again. Great product and service.
Review: Heavy duty brackets - WOW I love these, they are heavy duty, Much stronger than I need but I know that they will not fail. They look good too.

## Features

- Size and Dimension: the size of our countertop support bracket 12" x 6" x 2 1/2". It fit the countertop with overhangs Between 12"~16". The heavy duty L bracket is suitable for quartz, granite, wood, concrete and laminate countertops.
- Countertop bracket with high loading capacity. Our countertop support brackets are made of premium iron that can hold heavy weight well. The countertop metal brackets can hold about 300lb per pair. Combine the simple shape L brackets and some wood shelf, you can make most use of you wall space and store more items. It is an easy and affordable way for countertop support.
- 4 Packs of Countertop Metal Brackets in the Package. Our metal countertop shelf brackets include 4 packs of 12 inch L brackets and all hardware. The L bracket size is 12”x6”x2.5” with the thickness of 0.4”(10mm). We also include bolt screws in our package to hold heavy weight. All our wall brackets are packed in an individual bags to prevent any scratch during transportation.
- Wide Usage of Countertop L Brackets in Daily Life. The countertop support brackets have simple L pattern and a frosted black coating, creating a rustic look and very decorative for any space. The countertop shelf brackets goes perfectly in a rustic or industrial home decor scheme. The brackets is perfect for quartz, granite, wood, concrete and laminate countertops.
- Premium Customer Support-We not only supply products of good quality, but also offer pleasant shopping experience for every customer. You could apply refund or replacement if you are not happy with our products. You could contact us for any help. We will all stand behind our product and provide top level customer support. Just have a try and you will not regret your choice!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CY4LSZJG |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #17,736 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #14 in Hardware Brackets #3,728 in Hardware |
| Customer Reviews | 4.7 4.7 out of 5 stars (393) |
| Date First Available | March 15, 2024 |
| Finish | Painted |
| Finish Type | Painted |
| Included Components | bracket,screw |
| Item Depth | 2.5 inches |
| Item Package Quantity | 1 |
| Item Weight | 19.21 pounds |
| Item model number | 12-4PCS-W |
| Manufacturer | WINKER |
| Mounting Type | Under Counter |
| Part Number | 12-4PCS-W |
| Product Dimensions | 1 x 1 x 1 inches |
| Size | 12″x6″x2.5″-3/8" thick |
| Style | White-4Pack |
| UPC | 717020008359 |

## Product Details

- **Brand:** WINKER
- **Color:** White
- **Item Weight:** 8.73 Kilograms
- **Item dimensions L x W x H:** 1 x 1 x 1 inches
- **Material:** Alloy Steel

## Images

![WINKER Countertop Support Bracket 4 Pack Heavy Duty 3/8" Thick Hidden L Shelf Bracket 12" x 6" x 2.5" Metal Corbels for Quartz/Granite/Wood/Concrete/Laminate Countertops, White - Image 1](https://m.media-amazon.com/images/I/21ttxzputTL.jpg)
![WINKER Countertop Support Bracket 4 Pack Heavy Duty 3/8" Thick Hidden L Shelf Bracket 12" x 6" x 2.5" Metal Corbels for Quartz/Granite/Wood/Concrete/Laminate Countertops, White - Image 2](https://m.media-amazon.com/images/I/31Xd7WUg4CL.jpg)
![WINKER Countertop Support Bracket 4 Pack Heavy Duty 3/8" Thick Hidden L Shelf Bracket 12" x 6" x 2.5" Metal Corbels for Quartz/Granite/Wood/Concrete/Laminate Countertops, White - Image 3](https://m.media-amazon.com/images/I/31cTCuuaHTL.jpg)
![WINKER Countertop Support Bracket 4 Pack Heavy Duty 3/8" Thick Hidden L Shelf Bracket 12" x 6" x 2.5" Metal Corbels for Quartz/Granite/Wood/Concrete/Laminate Countertops, White - Image 4](https://m.media-amazon.com/images/I/41J8i9O5CvL.jpg)
![WINKER Countertop Support Bracket 4 Pack Heavy Duty 3/8" Thick Hidden L Shelf Bracket 12" x 6" x 2.5" Metal Corbels for Quartz/Granite/Wood/Concrete/Laminate Countertops, White - Image 5](https://m.media-amazon.com/images/I/41de8K3RdCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Heavy duty product, very well made
*by M***M on December 28, 2025*

These brackets are extremely good quality. They are very heavy duty. We are using these brackets to support 12' x 16" x 2" black walnut shelves. I have no doubt these will support the weight easily. The welds are also done very good, as well as the coating/ finish. I did find that the screws provided for wall side did not fit the hole properly. I contacted the seller and they were extremely responsive and worked with me to get the correct screws. I have never dealt directly with a seller in China, and was very impressed with their willingness to help and make their customer happy. I will definitely purchase from them again. Great product and service.

### ⭐⭐⭐⭐⭐ Heavy duty brackets
*by K***N on January 5, 2026*

WOW I love these, they are heavy duty, Much stronger than I need but I know that they will not fail. They look good too.

### ⭐⭐⭐⭐⭐ Not just for shelving.
*by J***R on November 24, 2025*

Used brackets for a repair on my running boards on my Ford Explorer. Thick and heavy duty.

## Frequently Bought Together

- Countertop Support Bracket 4 Pack White Heavy Duty Countertop Hidden Bracket 12" x 6" x 2 1/2" L Bracket Metal Corbels for Quartz/Granite/Wood/Concret/ Laminate Countertops
- Countertop Support Bracket 4 Pack 12 inch Heavy Duty 3/8" Thick Black Granite Countertop Bracket 12"x6"x2.5" Shelf L Bracket Mantel Corbels for Quartz/Granite/Wood/Concret/Laminate Countertops
- BATODA 12" Countertop Support Brackets (4 pcs) for Granite - Heavy Duty L Shelf Bracket - Wall Mounted Support for DIY Open Shelving – Knee Wall Support - Mounting Hardware Included ( Pack 4 )

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-03-14*