---
product_id: 10955441
title: "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: "฿6471"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/10955441-authentic-m21-125-c-342-permasleeve-heat-shrink-tubing-control
store_origin: TH
region: Thailand
---

# Crisp, abrasion-resistant print for flawless ID Extreme temp resistance up to industrial standards Self-extinguishing for ultimate safety 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:** ฿6471
**Availability:** ✅ In Stock

## Summary

> 🔥 Shrink, Seal, and Stand Out — Industrial-grade labeling that means business!

## Quick Answers

- **What is this?** 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?** ฿6471 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/10955441-authentic-m21-125-c-342-permasleeve-heat-shrink-tubing-control)

## 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

- • **Certified Reliability:** UL Recognized, RoHS Compliant & MIL-STD tested for trusted industrial use
- • **Flawless Identification:** Sharp black-on-white print resists fading and abrasion, keeping your wiring clear and professional
- • **Plug & Play Compatibility:** Seamlessly integrates with Brady M210, M211, BMP21-PLUS & LAB printers for effortless labeling
- • **Industrial-Grade Durability:** Withstands extreme heat, UV, chemicals, fuel & oil for relentless performance
- • **Precision Fit & Shrink Ratio:** 3:1 heat shrink designed for 22-16 gauge wires ensuring snug, secure coverage

## Overview

Brady Authentic PermaSleeve Heat Shrink Tubing offers a 3:1 shrink ratio for precise wire harness protection and identification. Engineered from durable polypropylene, it resists extreme temperatures, UV, chemicals, fuel, and oil while featuring self-extinguishing properties. Certified to UL 224, RoHS, SAE, and MIL-STD standards, it delivers professional-grade, abrasion-resistant black-on-white labeling compatible with Brady’s leading industrial printers.

## Description

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

## 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 |
|---------------|-------|
| Manufacturer | Brady |
| Brand | Brady |
| Item Weight | 2.4 ounces |
| Product Dimensions | 84 x 0.24 x 84 inches |
| Item model number | M21-125-C-342 |
| Is Discontinued By Manufacturer | No |
| Color | Black on White |
| Shape | Cylindrical |
| Material Type | Polypropylene |
| Number of Items | 1 |
| Size | .235" |
| Manufacturer Part Number | M21-125-C-342 |

## Product Details

- **Color:** Black on White
- **Size:** .235"
- **Material:** Polypropylene
- **Brand:** Brady
- **Finish Type:** Matte

## Images

![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/61nl8Fx8csL.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.th/products/10955441-authentic-m21-125-c-342-permasleeve-heat-shrink-tubing-control](https://www.desertcart.co.th/products/10955441-authentic-m21-125-c-342-permasleeve-heat-shrink-tubing-control)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-14*