---
product_id: 609273919
title: "301-5A Metering Pump Set - 5:1 Ratio Dispensers for Epoxy Resin & Hardener - Professional Precision Epoxy Mixing System for Marine & Workshop Projects"
brand: "west system"
price: "¥9422"
currency: JPY
in_stock: true
reviews_count: 3
category: "West System"
url: https://www.desertcart.jp/products/609273919-301-5a-metering-pump-set-5-1-ratio-dispensers-epoxy
store_origin: JP
region: Japan
---

# Calibrated pump for consistent volume Direct fit on WEST SYSTEM A-Pack containers Exact 5:1 mixing ratio 301-5A Metering Pump Set - 5:1 Ratio Dispensers for Epoxy Resin & Hardener - Professional Precision Epoxy Mixing System for Marine & Workshop Projects

**Brand:** west system
**Price:** ¥9422
**Availability:** ✅ In Stock

## Summary

> ⚡ Mix Like a Pro, Cure Like a Boss!

## Quick Answers

- **What is this?** 301-5A Metering Pump Set - 5:1 Ratio Dispensers for Epoxy Resin & Hardener - Professional Precision Epoxy Mixing System for Marine & Workshop Projects by west system
- **How much does it cost?** ¥9422 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/609273919-301-5a-metering-pump-set-5-1-ratio-dispensers-epoxy)

## Best For

- west system enthusiasts

## Why This Product

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

## Key Features

- • **Complete Pro Kit:** Includes both resin and hardener pumps designed for professional-grade marine and workshop projects.
- • **Consistent Curing:** Calibrated pumps guarantee uniform mixing, ensuring optimal epoxy strength and finish.
- • **Precision Perfected:** Eliminate guesswork with exact 5:1 resin-to-hardener ratio every single time.
- • **Seamless Integration:** Securely mounts on WEST SYSTEM A-Pack bottles for effortless, mess-free dispensing.
- • **Streamlined Workflow:** Speed up your epoxy application with easy, one-press dispensing that saves time and reduces waste.

## Overview

The WEST SYSTEM 301-5A Metering Pump Set is a precision-engineered dispensing system designed for the WEST SYSTEM A-Pack 105 Epoxy Resin and 205/206 Hardeners. Delivering an exact 5:1 mixing ratio with calibrated pumps that mount directly onto resin and hardener containers, it ensures consistent, reliable curing for marine and workshop projects. This complete set streamlines epoxy mixing by eliminating measurement guesswork, making it the go-to choice for professionals demanding accuracy and efficiency.

## Description

Transform your epoxy work with this professional-grade pump set, engineered specifically for WEST SYSTEM A Pack 105 Epoxy Resin and 205/206 hardeners. The bottle pump dispenser mechanism delivers an exact 5:1 ratio every time, removing measurement guesswork. These calibrated pumps mount directly onto your resin and hardener containers, streamlining your workflow while ensuring consistent, reliable mixing. Compatible with WEST SYSTEM 105 Epoxy Resin when using either 205 Fast or 206 Slow Hardener, this set provides the accuracy and convenience demanded by marine professionals and craftsmen. Each press delivers precisely measured amounts, maintaining the critical 5:1 ratio needed for optimal curing and strength.

Review: Definitely worth it - These make mixing a doddle, well worth the extra cost when buying the West Epoxy kit.
Review: Mixing of epoxy resin made easier - Why did you choose this product over others?: Make mixing of product easy, and more importantly, accurate.

## Features

- Precise Dispensing: Compatible with the WEST SYSTEM A Pack 105 Epoxy and 205/206 Hardeners, this dispenser pump set delivers exact 5:1 mixing ratio ensuring reliable curing every time with consistent results
- Direct Container Fit: These epoxy pumps mount securely onto A-Pack containers of WEST SYSTEM 105 Resin and 205/206 Hardener, creating an efficient dispensing system for easy use and precise control during application
- Calibrated Accuracy: Pre-measured pump bottle mechanisms maintain consistent 5:1 volume ratio between resin and hardener components for optimal curing results every time. The ideal epoxy resin accessories for home use with no fuss
- Complete Set: Package contains both resin and hardener pumps, engineered specifically for use with WEST SYSTEM A-Pack size bottles. The secure fit of these pumps ensures precise mixing with ease and accuracy
- Convenient Application: These A pack bottle pump dispensers eliminate measuring guesswork, streamlining the mixing process for marine epoxy projects with reliable accuracy every time you mix and blend with precision

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CSKHDTKB |
| Best Sellers Rank | 36,160 in DIY & Tools ( See Top 100 in DIY & Tools ) 11,913 in Hardware |
| Brand | West System |
| Brand Name | West System |
| Colour | Yellow |
| Customer Reviews | 4.4 out of 5 stars 16 Reviews |
| Global Trade Identification Number | 05063369030106 |
| Included Components | Pump Set 5:1 Ratio |
| Item Dimensions L x W x H | 16.5L x 4W x 41H centimetres |
| Item Shape | Cylindrical |
| Item Type Name | Ratio Dispensers for Epoxy Resin & Hardener |
| Item height | 41 centimetres |
| Manufacturer | WEST SYSTEM |
| Material | Resin |
| Material Type | Resin |
| Number of Sets | 5 |
| Number of sets | 5 |
| Product dimensions | 16.5L x 4W x 41H centimetres |
| Shape | Cylindrical |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** West System
- **Colour:** Yellow
- **Material:** Resin
- **Product dimensions:** 16.5L x 4W x 41H centimetres
- **Shape:** Cylindrical

## Images

![301-5A Metering Pump Set - 5:1 Ratio Dispensers for Epoxy Resin & Hardener - Professional Precision Epoxy Mixing System for Marine & Workshop Projects - Image 1](https://m.media-amazon.com/images/I/713S3SB02oL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Definitely worth it
*by B***S on 25 November 2025*

These make mixing a doddle, well worth the extra cost when buying the West Epoxy kit.

### ⭐⭐⭐⭐⭐ Mixing of epoxy resin made easier
*by M***E on 8 July 2025*

Why did you choose this product over others?: Make mixing of product easy, and more importantly, accurate.

### ⭐⭐⭐⭐⭐ Dispensing pumps
*by A***R on 27 February 2025*

Metered pumps make life so much easier Make sure you get the right ones for what you are doing ie 3:1 or 5:1

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**Shop now:** [https://www.desertcart.jp/products/609273919-301-5a-metering-pump-set-5-1-ratio-dispensers-epoxy](https://www.desertcart.jp/products/609273919-301-5a-metering-pump-set-5-1-ratio-dispensers-epoxy)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-31*