---
product_id: 501460501
title: "STARTNOW Raytools Original Protective Windows 37x7mm Laser Optical Protection Lens 27.9 * 4.1 0-6KW Fiber Laser Cutting Head Spare Parts (10 PCS, 24.9x1.5)"
brand: "startnow"
price: "$117"
currency: NZD
in_stock: true
reviews_count: 1
category: "Startnow"
url: https://www.desertcart.nz/products/501460501-startnow-raytools-original-protective-windows-37x7mm-laser-optical-protection-lens
store_origin: NZ
region: New Zealand
---

# Supports 0-6KW fiber laser power 37x7mm precision lens size Compatible with BT210S, BT240S, BM series heads STARTNOW Raytools Original Protective Windows 37x7mm Laser Optical Protection Lens 27.9 * 4.1 0-6KW Fiber Laser Cutting Head Spare Parts (10 PCS, 24.9x1.5)

**Brand:** startnow
**Price:** $117
**Availability:** ✅ In Stock

## Summary

> 🔆 Protect your laser edge with precision and power!

## Quick Answers

- **What is this?** STARTNOW Raytools Original Protective Windows 37x7mm Laser Optical Protection Lens 27.9 * 4.1 0-6KW Fiber Laser Cutting Head Spare Parts (10 PCS, 24.9x1.5) by startnow
- **How much does it cost?** $117 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/501460501-startnow-raytools-original-protective-windows-37x7mm-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:** 10-piece set to keep your operations uninterrupted and efficient
- • **Power-Ready Performance:** Seamlessly supports fiber lasers up to 6KW for high-demand cutting
- • **Universal Compatibility:** Fits multiple Raytools cutting heads including BT210S & BM114S
- • **Durable Dual-Material Build:** Premium glass and plastic blend ensures longevity under intense use
- • **Precision-Crafted Optical Shield:** Engineered 37x7mm lens for flawless laser protection

## Overview

The STARTNOW Raytools Original Protective Windows are high-precision 37x7mm optical lenses designed for fiber laser cutting heads, supporting laser powers up to 6KW. Compatible with popular Raytools models like BT210S and BM114S, these durable glass and plastic lenses come in a convenient 10-piece pack, ensuring reliable protection and uninterrupted industrial laser cutting performance.

## Description

Raytools Laser Protective Lens 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.

Review: Buen producto - Excelentes lo que esperaba

## 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 |
|---------------|-------|
| ASIN | B09BKZP1JG |
| Best Sellers Rank | #84,340 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #92 in Line Lasers |
| Brand | STARTNOW |
| Brand Name | STARTNOW |
| Color | 10 Pcs |
| Colour | 10 Pcs |
| Customer Reviews | 5.0 out of 5 stars 8 Reviews |
| Manufacturer | STARTNOW |
| Material | Glass, Plastic |
| Material Type | Glass, Plastic |
| Operation Mode | Automatic |
| Operation mode | Automatic |
| Style | Laser |
| Style Name | Laser |

## Product Details

- **Brand:** STARTNOW
- **Material:** Glass, Plastic
- **Colour:** 10 Pcs
- **Style:** Laser
- **Operation mode:** Automatic

## Images

![STARTNOW Raytools Original Protective Windows 37x7mm Laser Optical Protection Lens 27.9 * 4.1 0-6KW Fiber Laser Cutting Head Spare Parts (10 PCS, 24.9x1.5) - Image 1](https://m.media-amazon.com/images/I/51PAAhGSQgL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Buen producto
*by J***A on 8 September 2025*

Excelentes lo que esperaba

---

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**Shop now:** [https://www.desertcart.nz/products/501460501-startnow-raytools-original-protective-windows-37x7mm-laser-optical-protection-lens](https://www.desertcart.nz/products/501460501-startnow-raytools-original-protective-windows-37x7mm-laser-optical-protection-lens)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-25*