---
product_id: 38767711
title: "Pen UNO: Minimalist Pen. All-Aluminum Pen For Hi-Tec C Coleto Refill - Space Grey Color"
brand: "ensso"
price: "฿4768"
currency: THB
in_stock: true
reviews_count: 3
url: https://www.desertcart.co.th/products/38767711-pen-uno-minimalist-pen-all-aluminum-pen-for-hi-tec
store_origin: TH
region: Thailand
---

# Twist-to-open/close mechanism 100% space-grade aluminum 0.4 mm Hi Tec C Coleto gel ink refill Pen UNO: Minimalist Pen. All-Aluminum Pen For Hi-Tec C Coleto Refill - Space Grey Color

**Brand:** ensso
**Price:** ฿4768
**Availability:** ✅ In Stock

## Summary

> 🖋️ Elevate your everyday writing with space-age style and precision.

## Quick Answers

- **What is this?** Pen UNO: Minimalist Pen. All-Aluminum Pen For Hi-Tec C Coleto Refill - Space Grey Color by ensso
- **How much does it cost?** ฿4768 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/38767711-pen-uno-minimalist-pen-all-aluminum-pen-for-hi-tec)

## Best For

- ensso enthusiasts

## Why This Product

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

## Key Features

- • **Twist & Go:** Innovative twist cap doubles as grip—minimalist design meets effortless functionality.
- • **Eco-Chic Choice:** Made from 100% recycled aluminum, combining sustainability with cutting-edge style.
- • **Comfort Meets Slim:** Super slim profile with a wider grip section mimics the natural feel of a classic wood pencil.
- • **Precision Ink Flow:** Equipped with the popular 0.4 mm Hi Tec C Coleto gel refill for smooth, sharp writing every time.
- • **Sleek Space-Grade Build:** Crafted entirely from ultra-durable, lightweight space-grade aluminum for a futuristic feel.

## Overview

The Pen UNO is a minimalist, all-aluminum pen in sleek space grey, featuring a twist-to-open cap that doubles as a comfortable grip. It uses the highly regarded 0.4 mm Hi Tec C Coleto gel ink refill for smooth, precise writing. Lightweight at just 0.32 ounces and crafted from 100% recycled space-grade aluminum, it blends sustainability with modern design for professionals who demand both style and function.

## Description

Pen UNO is a sleek and super minimal all-aluminum pen available in different colors like space grey, gold, rose gold, red and black. It uses the Hi-Tec C Coleto gel ink cartridge which is widely available in a variety of colors and lineweights. With only 5.3 mm in diameter, Pen UNO is one of the thinnest pens in production. The grip section is wider for a very comfortable writing experience and also doubles as a twisting cap to protect the pen tip when not in use. A few turns of the barrel will open or close the pen. Pen UNO is the study of liberating a pen of unnecessary parts and ornaments. The design aims to be a simple yet powerful solution focused on the details. "It looks pretty cool actually and definitely catches your attention with how sleek it is...what makes this pen unique is how you retract the tip. Rather than a click mechanism of some sort, the refill stays fixed and stationary in the barrel while the user twists the threaded grip section until the barrel moves its way up and the tip is exposed. Pretty neat!" - The Clicky Post

## Features

- Minimal design
- Grip section serves as twisting cap. A few turns open or close the pen
- 100% space-grade aluminum
- Super slim but comfortable to use because grip section is wider - similar to standard wood pencil
- Uses popular Hi Tec C Coleto gel ink refills

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ENSSO |
| Brand | ENSSO |
| Item Weight | 0.32 ounces |
| Product Dimensions | 5.63 x 0.2 x 0.28 inches |
| Item model number | EN UNO GRIS |
| Is Discontinued By Manufacturer | No |
| Color | Space Grey |
| Closure | Twist |
| Material Type | Aluminum |
| Total Recycled Content Percentage | 100 |
| Point Type | 0.4 mm Hi Tec C Coleto |
| Ink Color | Black |
| Manufacturer Part Number | PENUNO |

## Product Details

- **Brand:** ENSSO
- **Color:** Space Grey
- **Ink Color:** Black
- **Age Range (Description):** Adult
- **Material:** Aluminum

## Images

![Pen UNO: Minimalist Pen. All-Aluminum Pen For Hi-Tec C Coleto Refill - Space Grey Color - Image 1](https://m.media-amazon.com/images/I/31ETHLRm8oL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nice Pen
*by J***K on February 24, 2017*

This is my second one. Got the first as a Kickstarter. So pens barrels can be to big. This one is just right for my hand size.

### ⭐⭐⭐ It's like drawing with with a knife tip
*by G***O on October 13, 2017*

Its OK, the add campaign for this is bigger then the pen. It's too thin to be comfortable for long periods of time like drawing and the ink refill is so small the tip cuts into the paper instead of gliding across like a fine liner. It has no cap so they have a tricky little video where you are supposed to close the top by giving it a spin with your thumb. Well, that really doesn't work in real life, the spin is not that smooth and you end up have to spin it several time to get the "cap" to close. And by cap I mean just an open ended tube which does nothing for keeping the tip from drying out. Overpriced for what it is.

### ⭐⭐⭐⭐⭐ Some Updates
*by Y***I on February 12, 2017*

It looks fancy and writes well until the ring inside the shell was detached after several weeks.Updates: I contacted with ENSSO and it seems that they are glad to provide me a replacement. I will update this later.

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**Shop now:** [https://www.desertcart.co.th/products/38767711-pen-uno-minimalist-pen-all-aluminum-pen-for-hi-tec](https://www.desertcart.co.th/products/38767711-pen-uno-minimalist-pen-all-aluminum-pen-for-hi-tec)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-24*