---
product_id: 503350504
title: "Blum Tandem 21 Inch Full Extension Concealed Undermount Drawer Slide with 100 Lbs. Weight Capacity and Soft Close for 13 mm(1/2) to 16mm (5/8) Thick Drawers – Pair"
brand: "blum"
price: "KSh27514"
currency: KES
in_stock: false
url: https://www.desertcart.co.ke/products/503350504-blum-tandem-21-inch-full-extension-concealed-undermount-drawer-slide
store_origin: KE
region: Kenya
---

# 100 lbs weight capacity 21-inch full extension soft close mechanism Blum Tandem 21 Inch Full Extension Concealed Undermount Drawer Slide with 100 Lbs. Weight Capacity and Soft Close for 13 mm(1/2) to 16mm (5/8) Thick Drawers – Pair

**Brand:** blum
**Price:** KSh27514
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate your cabinetry game with Blum’s powerhouse slides—where strength meets silence.

## Quick Answers

- **What is this?** Blum Tandem 21 Inch Full Extension Concealed Undermount Drawer Slide with 100 Lbs. Weight Capacity and Soft Close for 13 mm(1/2) to 16mm (5/8) Thick Drawers – Pair by blum
- **How much does it cost?** KSh27514 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/503350504-blum-tandem-21-inch-full-extension-concealed-undermount-drawer-slide)

## 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

- • **Heavy-Duty Strength:** Supports up to 100 lbs, perfect for your most valuable storage needs.
- • **Precision Adjustment:** Height and side-to-side adjustments ensure a flawless fit and finish.
- • **Sleek Concealed Design:** Undermount slides keep hardware hidden for a clean, modern aesthetic.
- • **Seamless Full Extension:** Effortlessly access every inch of your drawer with smooth 21-inch slides.
- • **Whisper-Quiet Soft Close:** Experience luxury with silent, gentle drawer closing every time.

## Overview

The Blum Tandem 21 Inch Full Extension Concealed Undermount Drawer Slide offers robust 100 lbs weight capacity and smooth soft-close technology, designed for 13-16mm thick drawers. Featuring precise height and side adjustments, this zinc-plated, concealed slide system ensures full drawer access and a sleek, modern look, ideal for frameless or blocked-out face frame cabinets.

## Description

Blum Tandem 21 Inch Full Extension Concealed Undermount Drawer Slide with 100 Lbs. Weight Capacity and Soft Close for 13 mm(1/2) to 16mm (5/8) Thick Drawers – Pair

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BQ26F3X4 |
| Batteries Required? | No |
| Best Sellers Rank | #1,162,454 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,265 in Cabinet & Furniture Drawer Slides |
| Customer Reviews | 5.0 5.0 out of 5 stars (1) |
| Date First Available | December 14, 2022 |
| Finish | Zinc Plated |
| Item Package Quantity | 1 |
| Item Weight | 5.89 pounds |
| Item model number | 563.5330B |
| Manufacturer | Blum |
| Maximum Weight Capacity | 100 Pounds |
| Part Number | 563.5330B |
| Product Dimensions | 21.5 x 2 x 2 inches |

## Product Details

- **Brand:** Blum
- **Finish Type:** Zinc Plated
- **Mounting Type:** Under Mount
- **Product Dimensions:** 21"L x 21"W x 0.63"Th
- **Weight Limit:** 100 Pounds

## Images

![Blum Tandem 21 Inch Full Extension Concealed Undermount Drawer Slide with 100 Lbs. Weight Capacity and Soft Close for 13 mm(1/2) to 16mm (5/8) Thick Drawers – Pair - Image 1](https://m.media-amazon.com/images/I/31eo4VyRpDL.jpg)
![Blum Tandem 21 Inch Full Extension Concealed Undermount Drawer Slide with 100 Lbs. Weight Capacity and Soft Close for 13 mm(1/2) to 16mm (5/8) Thick Drawers – Pair - Image 2](https://m.media-amazon.com/images/I/71JDeQcrnGL.jpg)

## Frequently Bought Together

- Blum Tandem 21 Inch Full Extension Concealed Undermount Drawer Slide with 100 Lbs. Weight Capacity and Soft Close for 13 mm(1/2) to 16mm (5/8) Thick Drawers – Pair
- Blum 110 Degree Cliptop 71B3550 Soft Close Hinges - Full Overlay Soft Close Frameless Application kit Includes Screws

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**Shop now:** [https://www.desertcart.co.ke/products/503350504-blum-tandem-21-inch-full-extension-concealed-undermount-drawer-slide](https://www.desertcart.co.ke/products/503350504-blum-tandem-21-inch-full-extension-concealed-undermount-drawer-slide)

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-03-02*