---
product_id: 271653735
title: "COAST® POLYSTEEL® 400 440 Lumen PURE BEAM® Focusing LED Flashlight with TWIST FOCUS™ and Stainless Steel Core, Black"
brand: "coast"
price: "¥11644"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/271653735-coast-polysteel-400-440-lumen-pure-beam-focusing-led-flashlight
store_origin: JP
region: Japan
---

# 688 ft beam distance 440 lumens max brightness stainless steel core durability COAST® POLYSTEEL® 400 440 Lumen PURE BEAM® Focusing LED Flashlight with TWIST FOCUS™ and Stainless Steel Core, Black

**Brand:** coast
**Price:** ¥11644
**Availability:** ✅ In Stock

## Summary

> 🔦 Illuminate your world with precision and power—because your hustle deserves the best.

## Quick Answers

- **What is this?** COAST® POLYSTEEL® 400 440 Lumen PURE BEAM® Focusing LED Flashlight with TWIST FOCUS™ and Stainless Steel Core, Black by coast
- **How much does it cost?** ¥11644 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/271653735-coast-polysteel-400-440-lumen-pure-beam-focusing-led-flashlight)

## Best For

- coast enthusiasts

## Why This Product

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

## Key Features

- • **Impressive Runtime:** Up to 29 hours on low power—stay illuminated through long shifts or late-night adventures.
- • **Ready Out of the Box:** Includes 4 AAA alkaline batteries so you’re always mission-ready.
- • **Compact & Lightweight:** At just 5.75 inches and 6.4 oz, it’s the perfect balance of power and portability.
- • **Dual-Mode Pure Beam Focus:** Seamlessly switch between ultra-wide flood and precision spot beams with no halos or hot spots.
- • **Rugged Stainless Steel Core:** Engineered to survive drops and crushes—your go-to light for extreme environments.

## Overview

The COAST® POLYSTEEL® 400 flashlight delivers 440 lumens of crisp LED light with patented PURE BEAM TWIST FOCUS™ technology, offering both flood and spot beams up to 688 feet. Built with a stainless steel core and durable nylon polymer, it’s drop and crush proof, designed for professionals who demand reliability. Powered by 4 AAA batteries (included), it runs up to 29 hours on low and meets ANSI/FL1 standards, backed by Coast’s lifetime warranty.

## Description

The new Polysteel line exemplifies the ultimate flashlight for anyone who works or plays in rough-and-tough environments. The Polysteel 400 flashlight is designed for extreme durability, with Coast's trademark Pure Beam Focusing technology. It's unique from the inside out, as it comes with a tough, stainless steel core that's wrapped in a grip textured nylon polymer. This construction allows for the lights to withstand some of the toughest and most brutal environments and conditions. Using 4 X AAA batteries, you will get a runtime up to 29 hours on low. The lights Pure Beam Twist Focusing technology to ensure that not only will you have a light that is durable, but a light that maintains our advantage in beam quality as well with the Ultra View Flood & Bulls-Eye Spot Beams. With 440 Lumens and a maximum beam distance of 688 feet, the Polysteel 400 combines durability with our focusing and beam technology. Backed by Coast's lifetime . against defects in materials and workmanship. Tested and rated to ANSI/FL1 standards.

## Features

- PURE BEAM TWIST FOCUS: Pack two powerful beams into one and seamlessly transition—with no halos or hot spots—between short and long-range viewing. COAST’s patented focusing technology adapts to your need. The Ultra View Flood beam delivers edge-to-edge clarity in a broad circle, and the BULLS-EYE Spot beam sends a sharp ray of light at a distance with a transitional halo around the spot to increase the effective viewing area.
- DROP PROOF, CRUSH PROOF: With a stainless steel core, this flashlight is ultra durable and TRUSTED TOUGH
- SPECS: Light Output: 440 lumens (high), 60 lumens (low). Beam Distance: 688 feet (high), 246 feet (low). Runtime: 3 hours (high), 29 hours (low), Length: 5.75 Inches, Weight: 6.4 oz
- INCLUDED ACCESSORIES: 4 x standard AAA alkaline batteries.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Coast Cutlery Company |
| Part number | 20765 |
| Item Weight | 172 g |
| Product Dimensions | 14.61 x 3.81 x 3.81 cm; 172.37 g |
| Batteries | 4 AAA batteries required. (included) |
| Item model number | Polysteel 400 |
| Size | 1 Pack |
| Color | Black |
| Style | 440 Lumens |
| Finish | Black |
| Material | Stainless Steel |
| Shape | Cylindrical |
| Power source type | Battery Powered |
| Voltage | 6 Volts |
| Item Package Quantity | 1 |
| light-source-type | LED |
| Luminous Flux | 300 Lumen |
| Plug Profile | Handheld |
| Specification met | IP68 |
| Special Features | Durable |
| Included components | Flashlight, 4 x AAA Batteries |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| tech_spec_battery_description_toys | Alkaline |

## Product Details

- **Special features:** Durable
- **Colour:** Black
- **Power source:** Battery Powered
- **Light source type:** LED
- **Material:** Stainless Steel

## Images

![COAST® POLYSTEEL® 400 440 Lumen PURE BEAM® Focusing LED Flashlight with TWIST FOCUS™ and Stainless Steel Core, Black - Image 1](https://m.media-amazon.com/images/I/61hm+FxYR4L.jpg)
![COAST® POLYSTEEL® 400 440 Lumen PURE BEAM® Focusing LED Flashlight with TWIST FOCUS™ and Stainless Steel Core, Black - Image 2](https://m.media-amazon.com/images/I/71rP6GPBPyL.jpg)

## Frequently Bought Together

- Coast Polysteel 400 Focusing LED Flashlight
- Coast GX20 1200 Lumen Waterproof Alkaline-Dual Power LED Flashlight with Twist Focus, Anti-Roll Cap and Textured Handle - Compatible with 4 x AAA Batteries (Included) or ZX750 Rechargeable Battery
- Coast POLYSTEEL 200 with Twist Focus, Pure Beam, 390 Lumen LED Flashlight, Crushproof, Black

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**Shop now:** [https://www.desertcart.jp/products/271653735-coast-polysteel-400-440-lumen-pure-beam-focusing-led-flashlight](https://www.desertcart.jp/products/271653735-coast-polysteel-400-440-lumen-pure-beam-focusing-led-flashlight)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-22*