---
product_id: 453207846
title: "21 Inch Undermount Drawer Slide. (Soft Close, Full Extension, Concealed). Model: 563F5330B (100 Lbs. Weight Capacity), for 3/4 inch Thick Drawers. (Pair)"
brand: "blum"
price: "NT$5599"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/453207846-21-inch-undermount-drawer-slide-soft-close-full-extension-concealed
store_origin: TW
region: Taiwan
---

# 21.5 inches long Concealed design 100 lbs capacity 21 Inch Undermount Drawer Slide. (Soft Close, Full Extension, Concealed). Model: 563F5330B (100 Lbs. Weight Capacity), for 3/4 inch Thick Drawers. (Pair)

**Brand:** blum
**Price:** NT$5599
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Storage Game with Blum's Precision Engineering!

## Quick Answers

- **What is this?** 21 Inch Undermount Drawer Slide. (Soft Close, Full Extension, Concealed). Model: 563F5330B (100 Lbs. Weight Capacity), for 3/4 inch Thick Drawers. (Pair) by blum
- **How much does it cost?** NT$5599 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/453207846-21-inch-undermount-drawer-slide-soft-close-full-extension-concealed)

## Best For

- blum enthusiasts

## Why This Product

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

## Key Features

- • **Full Extension Access:** Maximize your storage potential with complete drawer access.
- • **Robust Weight Support:** Confidently store up to 100 lbs without worry.
- • **Smooth Soft-Close Mechanism:** Experience a gentle, noise-free closure every time.
- • **Easy Side-to-Side Adjustment:** Achieve the perfect fit with included locking devices.
- • **Versatile Installation Options:** Compatible with both frameless and face frame cabinets.

## Overview

The Blum 21 Inch Undermount Drawer Slide (Model: 563F5330B) is engineered for durability and ease of use, supporting up to 100 lbs with a soft-close feature and full extension access. Ideal for 3/4 inch thick drawers, this pair includes all necessary components for a seamless installation in both frameless and face frame cabinets.

## Description

21 Inch Undermount Drawer Slide. (Soft Close, Full Extension, Concealed). Model: 563F5330B (100 Lbs. Weight Capacity), for 3/4 inch Thick Drawers. (Pair)

## Features

- Designed for up to ¾ Drawer thickness. You can use it with 5/8 or ½ Drawer thickness but expect to see reveal increase between drawer and cabinet.
- Designed to support up to 100 pounds of weight.
- Including: 2 - Blum slides (Model: 563F5330B, Left and right), 2 - Locking devices with Side-to-Side adjustment (Model: T51.1901, Left and right), 2 - Screw-on Metal bracket (Model: 295.3750.03)
- Provides easy access to the drawer with full extension slides.
- Concealed undermount construction adds stability and support.
- Slides can be installed in either panel (frameless) or face frame cabinets

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Weight Limit | 100 Pounds |
| Drawer Type | Under Mounted Slide |
| Manufacturer | Blum |
| Number of Items | 1 |
| Part Number | 563F5330B-SSlocking |
| Item Weight | 7.28 pounds |
| Product Dimensions | 21.5 x 2 x 2 inches |
| Item model number | 563F5330B-SSlocking |
| Maximum Weight Capacity | 100 Pounds |
| Included Components | 2 Slides ( Left and Right), 2 - Locking devices with Side-to-Side adjustment, Set of Dexter Group screws, 2 - Screw-on Metal bracket |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Color:** Silver
- **Material:** Alloy Steel
- **Brand:** Blum
- **Product Dimensions:** 21"L x 21.5"W x 0.75"Th
- **Mounting Type:** Under Mount

## Images

![21 Inch Undermount Drawer Slide. (Soft Close, Full Extension, Concealed). Model: 563F5330B (100 Lbs. Weight Capacity), for 3/4 inch Thick Drawers. (Pair) - Image 1](https://m.media-amazon.com/images/I/71A+enDbklL.jpg)

## Frequently Bought Together

- BLUM 21 Inch Undermount Drawer Slide. (Soft Close, Full Extension, Concealed). Model: 563F5330B (100 Lbs. Weight Capacity), for 3/4 inch Thick Drawers. (Pair)
- Blum T65.9000 Tandem Plus Tool Set for Drawer Slides Template

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**Shop now:** [https://www.desertcart.tw/products/453207846-21-inch-undermount-drawer-slide-soft-close-full-extension-concealed](https://www.desertcart.tw/products/453207846-21-inch-undermount-drawer-slide-soft-close-full-extension-concealed)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-23*