---
product_id: 1477520
title: "Diamond 580/540 Nib Set B"
brand: "twsbi"
price: "$51.47"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/1477520-diamond-580-540-nib-set-b
store_origin: US
region: United States of America
---

# Multiple Sizes Available Free Shipping Replaceable Nib Set Diamond 580/540 Nib Set B

**Brand:** twsbi
**Price:** $51.47
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write Your Legacy with Style!

## Quick Answers

- **What is this?** Diamond 580/540 Nib Set B by twsbi
- **How much does it cost?** $51.47 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/1477520-diamond-580-540-nib-set-b)

## Best For

- twsbi enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Replacement:** Effortlessly swap nibs to match your mood or project.
- • **Versatile Nib Options:** Choose from B, M, F, EF, Stub1.1, and Stub1.5 for every writing style.
- • **Crafted for Perfection:** Engineered for smooth ink flow and consistent performance.
- • **Elevate Your Writing Experience:** Transform your TWSBI Diamond 580/540/530 with precision nibs.
- • **Join the Fountain Pen Revolution:** Experience the luxury of customizable writing.

## Overview

The TWSBIDiamond 580/540 Nib Set B offers a range of replaceable nibs for TWSBI Diamond fountain pens, including sizes B, M, F, EF, Stub1.1, and Stub1.5, ensuring a personalized writing experience. Plus, enjoy the convenience of free shipping!

## Description

Diamond 580/540 Nib Set B

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | TWSBI |
| Brand | TWSBI |
| Item Weight | 0.704 ounces |
| Package Dimensions | 2.68 x 0.47 x 0.39 inches |
| Item model number | M7443590 |
| Is Discontinued By Manufacturer | No |
| Color | Clear |
| Closure | Snap |
| Grip Type | Plastic |
| Pencil Lead Degree (Hardness) | F |
| Number of Items | 1 |
| Size | 1 Count (Pack of 1) |
| Point Type | EF, F, M, B, Stub |
| Line Size | Adjustable (depends on chosen nib size: EF, F, M, B, or Stub) |
| Ink Color | Silver or Black |
| Manufacturer Part Number | M7443590 |

## Product Details

- **Brand:** TWSBI
- **Writing Instrument Form:** Fountain Pen
- **Color:** Clear
- **Ink Color:** Silver or Black
- **Age Range (Description):** Adult

## Images

![Diamond 580/540 Nib Set B - Image 1](https://m.media-amazon.com/images/I/514Ll0-v3iL.jpg)

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**Shop now:** [https://www.desertcart.us/products/1477520-diamond-580-540-nib-set-b](https://www.desertcart.us/products/1477520-diamond-580-540-nib-set-b)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-02*