---
product_id: 457495846
title: "Set of 3 Hong Fountain Pen Rainbow Nibs (Fine, Extra Fine and Bent Nib) for Black Forest 1850, 1851, M2, 1843, 6013, 517D, 517S, 525,H1, H3, A3, 1843 and 920 Series"
brand: "asvine"
price: "฿1849"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/457495846-set-of-3-hong-fountain-pen-rainbow-nibs-fine-extra
store_origin: TH
region: Thailand
---

# 3 rainbow-finish nibs Twist-to-replace design Precision line sizes 0.38-1.2mm Set of 3 Hong Fountain Pen Rainbow Nibs (Fine, Extra Fine and Bent Nib) for Black Forest 1850, 1851, M2, 1843, 6013, 517D, 517S, 525,H1, H3, A3, 1843 and 920 Series

**Brand:** asvine
**Price:** ฿1849
**Availability:** ✅ In Stock

## Summary

> 🌈 Elevate your pen game with precision and color—because your ideas deserve to shine!

## Quick Answers

- **What is this?** Set of 3 Hong Fountain Pen Rainbow Nibs (Fine, Extra Fine and Bent Nib) for Black Forest 1850, 1851, M2, 1843, 6013, 517D, 517S, 525,H1, H3, A3, 1843 and 920 Series by asvine
- **How much does it cost?** ฿1849 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/457495846-set-of-3-hong-fountain-pen-rainbow-nibs-fine-extra)

## Best For

- asvine enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Twist & Swap:** Quickly replace nibs without fuss—just remove the converter and twist out.
- • **Tailored for Hongdian Forest:** Perfectly compatible with 1850, 1851, M2, 1843 & more—no guesswork needed.
- • **Rainbow Trio for Every Stroke:** Fine, Extra Fine & Bent nibs cover all your writing moods with style.
- • **Sleek Black Grip with Vibrant Flair:** Comfort meets eye-catching rainbow finish—stand out in every meeting.
- • **Precision Lines, Professional Impact:** From 0.38mm extra fine to 1.2mm bent nib, craft your signature with clarity.

## Overview

The Asvine Set of 3 Hong Fountain Pen Rainbow Nibs includes Fine (0.5mm), Extra Fine (0.38mm), and Bent (0.7-1.2mm) nibs designed exclusively for Hongdian Forest fountain pen series. Featuring a smooth black grip and a vibrant rainbow finish, these nibs are easily replaceable via a twist mechanism after removing the converter, ensuring seamless customization for professional writing needs.

## Description

These nibs are compatible with Hongdian 1850, 1851, 1861, M2, M1, 1843, 6013, 517D, 517S, 525, 1843 and 920 Series Easy to replace the nib by twisting it out and back. Please remove the cartridge or converter before twising the nib out. If you can not screw the nib section out, please send us a message for assistance!

## Features

- Easy to replace the nib by twisting it out and back. Please remove the cartridge or converter before twising the nib out.
- These nibs are not standard size, they are only compatible with Hongdian forest fountain pen 1850, 1851, 1861, M2, M1, 1843, 6013, 517D, 517S, 525, 1843 and 920 Series
- Package: 3 nibs with black section ( 1 x EF nib 0.38mm, 1 x F nib 0.5mm, 1 x Bent Nib 0.7-1.2mm)
- PS: Please remove the converter before twist the nib section out. If you can not screw the nib section out, please send us a message for assistance!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Asvine |
| Brand | Asvine |
| Model number | GTSCB371X |
| Package Dimensions | 16.89 x 8 x 1.09 cm; 18 g |
| Color | Rainbow |
| Closure | Screw |
| Grip Type | Smooth |
| Pencil Lead Degree (Hardness) | F |
| Material Type | Black material (possibly plastic or metal) |
| Number of Items | 1 |
| Size | 1 Count (Pack of 1) |
| Point Type | extra fine,fine |
| Line Size | 0.3mm, 0.5mm, 0.7mm |
| Ink Color | Black |
| Manufacturer Part Number | GTSCB371X |
| Item Weight | 18 g |

## Product Details

- **Brand:** Asvine
- **Writing instrument form:** Fountain Pen
- **Colour:** Rainbow
- **Ink colour:** Black
- **Age range (description):** Adult

## Images

![Set of 3 Hong Fountain Pen Rainbow Nibs (Fine, Extra Fine and Bent Nib) for Black Forest 1850, 1851, M2, 1843, 6013, 517D, 517S, 525,H1, H3, A3, 1843 and 920 Series - Image 1](https://m.media-amazon.com/images/I/61ixaR99TzL.jpg)

## Available Options

This product comes in different **Color, Style** options.

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**Shop now:** [https://www.desertcart.co.th/products/457495846-set-of-3-hong-fountain-pen-rainbow-nibs-fine-extra](https://www.desertcart.co.th/products/457495846-set-of-3-hong-fountain-pen-rainbow-nibs-fine-extra)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-22*