---
product_id: 516176939
title: "Raytools Original Protective Windows 37x7mm 15KW Laser Optical Protection Lens 27.9 * 4.1 0-4KW Fiber Laser Cutting Head 30x5 30 * 1.5 18 * 2 Protective Lens (10 PCS, 27.9x4.1)"
brand: "startnow"
price: "฿13505"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/516176939-raytools-original-protective-windows-37x7mm-15kw-laser-optical-protection-lens
store_origin: TH
region: Thailand
---

# Multiple precise lens sizes (e.g. 37x7mm, 27.9x4.1mm) 15KW max laser power compatibility Fits 0-4KW to 0-12KW fiber laser cutting heads Raytools Original Protective Windows 37x7mm 15KW Laser Optical Protection Lens 27.9 * 4.1 0-4KW Fiber Laser Cutting Head 30x5 30 * 1.5 18 * 2 Protective Lens (10 PCS, 27.9x4.1)

**Brand:** startnow
**Price:** ฿13505
**Availability:** ✅ In Stock

## Summary

> 🔒 Shield your laser, power your precision!

## Quick Answers

- **What is this?** Raytools Original Protective Windows 37x7mm 15KW Laser Optical Protection Lens 27.9 * 4.1 0-4KW Fiber Laser Cutting Head 30x5 30 * 1.5 18 * 2 Protective Lens (10 PCS, 27.9x4.1) by startnow
- **How much does it cost?** ฿13505 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/516176939-raytools-original-protective-windows-37x7mm-15kw-laser-optical-protection-lens)

## Best For

- startnow enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Pack Advantage:** Includes 10 protective lenses, perfect for maintenance cycles and minimizing downtime.
- • **Seamless Integration:** Designed to fit popular fiber laser cutting heads like BT210S, BM111, and more for effortless installation.
- • **Durable Optical Protection:** Crafted to shield your equipment from intense laser exposure, extending the lifespan of your cutting heads.
- • **High-Power Laser Compatibility:** Supports fiber lasers up to 15KW, ensuring robust protection for advanced industrial applications.
- • **Precision Engineered Lens Sizes:** Choose from a versatile range of exact dimensions tailored for your laser cutting needs.

## Overview

Raytools Original Protective Windows offer a range of precision-sized optical lenses designed for fiber laser cutting heads, compatible with laser powers from 0-4KW up to 15KW. These durable lenses protect cutting heads like BT210S and BM111 models, ensuring longevity and optimal performance in industrial laser applications. Available in packs of 10 for efficient maintenance and operational continuity.

## Description

Raytools Original Protective Windows 37x7mm 15KW Laser Optical Protection Lens 27.9 * 4.1 0-4KW Fiber Laser Cutting Head 30x5 30 * 1.5 18 * 2 Protective Lens (10 PCS, 27.9x4.1)

## Features

- Brand :Raytools
- Model：22.4*4.1、24.9*1.5、27.9*4.1、30*5、37*7、38*2、38.1*1.6、50*2,etc.
- Applicable Power：0-4kw、0-6kw、0-12kw
- Application: BT210S, BT240S, BM109, BM111, BM114S,etc. fiber laser cutting head.
- If you have any questions about the products,could check with our customer service before place the order, we will try our best to help you~

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | STARTNOW |
| Item model number | Raytools Original Protective Windows |
| ASIN | B09BL33M7J |

## Images

![Raytools Original Protective Windows 37x7mm 15KW Laser Optical Protection Lens 27.9 * 4.1 0-4KW Fiber Laser Cutting Head 30x5 30 * 1.5 18 * 2 Protective Lens (10 PCS, 27.9x4.1) - Image 1](https://m.media-amazon.com/images/I/41uLI6blw+L.jpg)

## Available Options

This product comes in different **Colour, Size** options.

## Frequently Bought Together

- Raytools Original Protective Windows 37x7mm Laser Optical Protection Lens 27.9 * 4.1 0-6KW Fiber Laser Cutting Head Spare Parts (10 PCS, 27.9x4.1)
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**Shop now:** [https://www.desertcart.co.th/products/516176939-raytools-original-protective-windows-37x7mm-15kw-laser-optical-protection-lens](https://www.desertcart.co.th/products/516176939-raytools-original-protective-windows-37x7mm-15kw-laser-optical-protection-lens)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-25*