---
product_id: 722728125
title: "Majohn P139 Piston Resin Fountain Pen Medium Nib with Box, Brass Piston System Large Capacity Writing Pen, Black White"
brand: "erofa"
price: "$90.70"
currency: USD
in_stock: true
reviews_count: 5
category: "Erofa"
url: https://www.desertcart.us/products/722728125-majohn-p139-piston-resin-fountain-pen-medium-nib-with-box
store_origin: US
region: United States of America
---

# Transparent ink tank for real-time ink monitoring Full brass piston system for durability Large #6 medium nib for smooth writing Majohn P139 Piston Resin Fountain Pen Medium Nib with Box, Brass Piston System Large Capacity Writing Pen, Black White

**Brand:** erofa
**Price:** $90.70
**Availability:** ✅ In Stock

## Summary

> 🖊️ Elevate your writing game—because your ideas deserve the best.

## Quick Answers

- **What is this?** Majohn P139 Piston Resin Fountain Pen Medium Nib with Box, Brass Piston System Large Capacity Writing Pen, Black White by erofa
- **How much does it cost?** $90.70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/722728125-majohn-p139-piston-resin-fountain-pen-medium-nib-with-box)

## Best For

- erofa enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Robust full brass piston mechanism ensures long-lasting durability and a premium feel that stands out in any professional setting.
- • **Ink at a Glance:** Stay ahead of your writing needs with a transparent acrylic barrel that lets you monitor ink levels instantly—never run dry mid-thought.
- • **Effortless Ink Flow:** Experience silky smooth writing with the precision-engineered #6 medium nib that glides without skipping or scratching.
- • **Lightweight Comfort:** Crafted from high-grade resin, this pen offers a balanced, fatigue-free grip for marathon note-taking or brainstorming sessions.
- • **Write More, Refill Less:** Generous piston ink capacity means extended writing sessions without interruption, perfect for busy managers and creatives alike.

## Overview

The erofa Majohn P139 is a premium resin fountain pen featuring a durable full brass piston filling system and a large #6 medium nib for smooth, consistent writing. Its transparent acrylic body allows easy ink level monitoring, while the lightweight design ensures comfortable long-term use. Ideal for professionals seeking reliability and style in their everyday writing tools.

## Description

Brand: Majohn Model: P139 Material: Resin & Metal Nib: Medium Nib (Approx 0.7mm) Diameter(Approx): 16mm Weight (Approx): 34g Length(Approx): 139mm Ink: Piston filling, only work with bottled ink Package Include: Fountain Pen x 1 Notice: This item does not contain ink, need to buy separately.

Review: Ein schönes Gerät, schreibt ganz toll. Ich bin sehr zufrieden
Review: Excelente calidad en los materiales y atención a los detalles muy elegante y suave escritura

## Features

- Full brass piston system for smooth inking, durability and excellent value for money
- Large capacity piston ink filling, more save your time, once ink, you can write a lot for a long time.
- Transparent acrylic visual observation of the ink tank allows you to know the amount of ink at all times.
- The large nib (#6 nib )can write more smoothly, without scraping paper and continuous ink, giving you a happy writing experience!
- Made of high-grade resin, acrylic pen body is lighter, giving you a more comfortable grip, even if you write for a long time, you will not be tired.
- No worries after sale. Please feel free to contact us if you have any dissatisfaction. We will solve the problem for you in the first time.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D9H9TWPQ |
| Best Sellers Rank | #73,918 in Office Products ( See Top 100 in Office Products ) #712 in Fountain Pens |
| Brand | erofa |
| Closure | Snap |
| Color | Black & White |
| Customer Reviews | 4.4 4.4 out of 5 stars (248) |
| Date First Available | 3 August 2024 |
| Grip Type | Soft |
| Ink Color | Multicolor |
| Item Weight | 110 g |
| Line Size | 0.7mm |
| Manufacturer | erofa |
| Manufacturer Part Number | MJ139FPM02 |
| Material Type | Resin Metal |
| Model number | P139 |
| Number of Items | 1 |
| Package Dimensions | 24.13 x 4.98 x 3.81 cm; 110 g |
| Point Type | Medium |
| Size | 1 Count (Pack of 1) |

## Product Details

- **Age range (description):** Adult
- **Brand:** erofa
- **Colour:** Black & White
- **Ink colour:** Multicolor
- **Writing instrument form:** Fountain Pen

## Images

![Majohn P139 Piston Resin Fountain Pen Medium Nib with Box, Brass Piston System Large Capacity Writing Pen, Black White - Image 1](https://m.media-amazon.com/images/I/41x7-bCa1mL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by K***E on 16 December 2025*

Ein schönes Gerät, schreibt ganz toll. Ich bin sehr zufrieden

### ⭐⭐⭐⭐⭐ Review
*by G***I on 26 October 2025*

Excelente calidad en los materiales y atención a los detalles muy elegante y suave escritura

### ⭐⭐⭐⭐⭐ Review
*by V***E on 6 April 2025*

Nice pen with a #8 nib. Faster delivery than usual Chinese websites.

## Frequently Bought Together

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-06*