---
product_id: 10955441
title: "Brady Authentic (M21-125-C-342) PermaSleeve Heat Shrink Tubing for Control and Electrical Panels, Wire Harness, Black on White-For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB Printers, .235\"W 7' L"
brand: "brady"
price: "R2413"
currency: ZAR
in_stock: true
category: "Brady"
url: https://www.desertcart.co.za/products/10955441-brady-authentic-m21-125-c-342-permasleeve-heat-shrink-tubing
store_origin: ZA
region: South Africa
---

# UL Recognized & RoHS Compliant for safety Extreme temp resistance up to MIL-STD-2023:1 Self-extinguishing & chemical resistant Brady Authentic (M21-125-C-342) PermaSleeve Heat Shrink Tubing for Control and Electrical Panels, Wire Harness, Black on White-For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB Printers, .235"W 7' L

**Brand:** brady
**Price:** R2413
**Availability:** ✅ In Stock

## Summary

> 🔥 Mark it once, mark it forever — Brady PermaSleeve powers your pro projects!

## Quick Answers

- **What is this?** Brady Authentic (M21-125-C-342) PermaSleeve Heat Shrink Tubing for Control and Electrical Panels, Wire Harness, Black on White-For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB Printers, .235"W 7' L by brady
- **How much does it cost?** R2413 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/10955441-brady-authentic-m21-125-c-342-permasleeve-heat-shrink-tubing)

## Best For

- brady enthusiasts

## Why This Product

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

## Key Features

- • **Proven Popularity:** Top-ranked in industrial labeling with 4.6-star reviews—join thousands who trust Brady.
- • **Certified Reliability:** Meets UL 224, RoHS, SAE, and MIL-STD standards for trusted industrial use.
- • **Effortless Application:** Designed for 22-16 gauge wires with perfect shrink fit, speeding up your workflow.
- • **Precision Identification:** Crisp, abrasion-resistant black-on-white print ensures flawless wire marking every time.
- • **Industrial-Grade Durability:** Withstands extreme temperatures, UV, chemicals, fuel & oil for relentless performance.

## Overview

Brady Authentic PermaSleeve Heat Shrink Tubing delivers industrial-grade, heat-shrink polyolefin sleeves engineered for durable, high-visibility wire identification. Compatible with multiple Brady printers, it offers extreme temperature, UV, chemical, and fuel resistance, plus self-extinguishing safety. Certified to UL 224, RoHS, SAE, and MIL-STD standards, this 7-foot black-on-white tubing fits 22-16 gauge wires, ensuring permanent, abrasion-resistant labeling trusted by professionals worldwide.

## Description

Designed for rigorous wire marking applications, PermaSleeve® PS Heat Shrink Polyolefin (B-342) sleeves combine speed, ease of use, and permanence to create long lasting, high quality identification.

## Features

- Industrial Grade – Extreme temperature resistance, UV resistant, Chemical resistant, Fuel and Oil resistant, Self-extinguishing
- Superior Aesthetics – Crisp, clear identification resistant to abrasions and fading
- Certifications – UL Recognized to UL 224, RoHS Compliant to 2011/65/EU (Pass 2015/863), SAE AS23053/5 (Class 1), SAE AS-81531, MIL-STD-202
- 3:1 heat shrinking sleeve designed for 22 - 16 gauge (diameter 0.046 - 0.11 inches, 1.2 - 2.8 mm)
- For material specific performance and properties, please refer to the Technical Data Sheet (TDS)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003XU7T1W |
| Best Sellers Rank | #3,567 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Industrial Labeling Tape #840 in Office Electronics Accessories |
| Brand Name | Brady |
| Color | Black on White |
| Customer Reviews | 4.6 4.6 out of 5 stars (561) |
| Global Trade Identification Number | 00662820899938 |
| Included Components | 1 Cartridge |
| Item Dimensions L x W | 82.68"L x 0.24"W |
| Item Length | 2.1 meters |
| Item Weight | 2.4 ounces |
| Manufacturer | Brady |
| Material Type | Polypropylene |
| Outside Diameter | 6 millimeters |
| UPC | 662820899938 |
| Unit Count | 7 Feet |

## Product Details

- **Brand:** Brady
- **Color:** Black on White
- **Item Length:** 2.1 meters
- **Item Weight:** 2.4 ounces
- **Manufacturer:** Brady
- **Material:** Polypropylene
- **Number of Packs:** 1
- **Outside Diameter:** 6 millimeters
- **Product Dimensions:** 82.68"L x 0.24"W
- **UPC:** 662820899938

## Images

![Brady Authentic (M21-125-C-342) PermaSleeve Heat Shrink Tubing for Control and Electrical Panels, Wire Harness, Black on White-For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB Printers, .235"W 7' L - Image 1](https://m.media-amazon.com/images/I/61iduM3WqlL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Questions & Answers

**Q: Which on will work for labeling coax rg-6?**
A: Hello, 

Thank you for your inquiry.  The specific part referenced 
#M21-250-C-342 will work on the following.  3:1 heat shrinking sleeve designed for 16 - 8 gauge (diameter 0.094 - 0.215 inches, 2.4 - 5.5 mm).  I hope this is the answer you were looking for.  If not can you please re-state the question.

**Q: It says at the title that the width is 0.335" and in the specifications 0.187" (Im looking for the second one) but I have this problem with the specs?**
A: This is a shrink tube. Total length is 7', tube width a little over a 5/16". I'm not sure what is .187" indicating.

**Q: Wich one of these is able to slip over the LC Fiber connector and shrink down onto the fiber patch cable?**
A: Thank you for your inquiry.  The M21-250-C342 has a starting diameter or 0.415" before shrinking.  The correct tubing would depend on the specific connector.

**Q: will .335 shrink down onto a 18 gauge wire with jacket ?**
A: Thanks for your inquiry.  3:1 heat shrinking sleeve designed for 22 - 16 gauge (diameter 0.046 - 0.11 inches, 1.2 - 2.8 mm).  I hope this helps.  If you need more information please let me know.

## Frequently Bought Together

- Brady Authentic (M21-125-C-342) PermaSleeve Heat Shrink Tubing for Control and Electrical Panels, Wire Harness, Black on White-For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB Printers, .235"W 7' L
- Brady Authentic (M21-750-595-BL) All-Weather Vinyl Label for Indoor/Outdoor ID, Lab and Equipment Labeling, White on Blue- For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB Printers, .75" W, 21' L

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**Shop now:** [https://www.desertcart.co.za/products/10955441-brady-authentic-m21-125-c-342-permasleeve-heat-shrink-tubing](https://www.desertcart.co.za/products/10955441-brady-authentic-m21-125-c-342-permasleeve-heat-shrink-tubing)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-10-24*