---
product_id: 89706354
title: "1/8'' Micro Pneumatic Air Pencil Die Grinder Kit, Pencil Style 52000-70,000 RPM, 3mm 3.17mm & 2.38mm Capacity, Engraving Tool"
brand: "si fang"
price: "$U3558"
currency: UYU
in_stock: true
reviews_count: 8
category: "Si Fang"
url: https://www.desertcart.uy/products/89706354-1-8-micro-pneumatic-air-pencil-die-grinder-kit-pencil
store_origin: UY
region: Uruguay
---

# Pneumatic power with 90 PSI air pressure 65,000 RPM max speed 3 collet sizes (3mm, 3.17mm, 2.38mm) 1/8'' Micro Pneumatic Air Pencil Die Grinder Kit, Pencil Style 52000-70,000 RPM, 3mm 3.17mm & 2.38mm Capacity, Engraving Tool

**Brand:** si fang
**Price:** $U3558
**Availability:** ✅ In Stock

## Summary

> ⚡️ Micro Power, Macro Precision – Own the Details!

## Quick Answers

- **What is this?** 1/8'' Micro Pneumatic Air Pencil Die Grinder Kit, Pencil Style 52000-70,000 RPM, 3mm 3.17mm & 2.38mm Capacity, Engraving Tool by si fang
- **How much does it cost?** $U3558 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/89706354-1-8-micro-pneumatic-air-pencil-die-grinder-kit-pencil)

## Best For

- si fang enthusiasts

## Why This Product

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

## Key Features

- • **All-in-One Pro Kit:** Complete with air hose, oil bottle, wrenches, and 30 mounted stones—ready to elevate your craft.
- • **Speed That Adapts to You:** Variable speed throttle from 52,000 to 65,000 RPM for flawless cutting and polishing.
- • **Precision in Every Detail:** Pencil-style lightweight design lets you reach tight spots with unmatched control.
- • **Durability Meets Convenience:** Comes with a hose protector and extra diamond needle files to keep you working longer.
- • **Versatile Fit for Every Task:** Includes three collets to handle a range of bit sizes for engraving, cutting, and polishing.

## Overview

The 1/8'' Micro Pneumatic Air Pencil Die Grinder Kit delivers professional-grade precision with a compact pencil-style design. Operating at speeds between 52,000 and 65,000 RPM and powered by 90 PSI pneumatic air, it offers variable speed control and three collet sizes (3mm, 3.17mm, 2.38mm) for versatile engraving, cutting, and polishing. This lightweight tool includes essential accessories like a hose protector, extra diamond needle files, and a full kit of air hose, oil bottle, and wrenches, making it an all-in-one solution for detailed craftsmanship.

## Description

desertcart.com: 1/8'' Micro Pneumatic Air Pencil Die Grinder Kit, Pencil Style 52000-70,000 RPM, 3mm 3.17mm & 2.38mm Capacity, Engraving Tool : Tools & Home Improvement

Review: Function - Easy to use. Seems to be good quality. Wish the bits were better
Review: Cheap quality - Worked for about 10 minutes on half power and seized bits are also poor quality. Don’t recommend

## Features

- STYLE PENCIL TYPE: This micro pneumatic air Pencil die grinder is lightweight for getting into tight areas and easy to use with both hands
- SPEED CONTROL: The miniature pneumatic die grinder features variable speed throttle control. The pencil pneumatic grinding tool shaft allows for perfect control when cutting and polishing surfaces
- HOSE PROTECTOR: Convenient hose with hose protector
- PACKAGE CONTENTS AND STORAGE: 1 x pneumatic air Pencil die grinder, 1 x box of extra diamond needles files. Specification：Chuck size: 3mm 3.17mm & 2.38mm, 65000RPM, Air Inlet: 1/4”, Hose Size: 3/8”, Air Pressure: 90 PSI
- One collet comes with the tool, two additional collets are included.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07H3NC775 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #510,397 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #166 in Power Die Grinders |
| Brand | SI FANG |
| Color | Black |
| Customer Reviews | 3.7 3.7 out of 5 stars (139) |
| Date First Available | September 5, 2018 |
| Included Components | 1 x PC Micro Air Grinder, 2 x PC Chuck (3mm and 2.38mm), 1 x PC 50 "air hoses, 1 x PC Oil bottle (without oil), 2 x PC Small hand Wrenches, 1 x PC 1/4" FNPT connector, 30 x extra mounted stones (one box) |
| Is Discontinued By Manufacturer | No |
| Item Weight | 14.9 ounces |
| Manufacturer | SHUQIU |
| Maximum Rotational Speed | 65000 RPM |
| Minimum Speed | 52000 RPM |
| Package Dimensions | 8.66 x 5.43 x 1.54 inches |
| Power Source | pneumatic |
| Recommended Uses For Product | Engraving, Cutting, Polishing |
| Special Feature | Compact |
| Special Features | Compact |
| Style | Pencil |

## Product Details

- **Brand:** SI FANG
- **Color:** Black
- **Power Source:** pneumatic
- **Recommended Uses For Product:** Engraving, Cutting, Polishing
- **Special Feature:** Compact

## Images

![1/8'' Micro Pneumatic Air Pencil Die Grinder Kit, Pencil Style 52000-70,000 RPM, 3mm 3.17mm & 2.38mm Capacity, Engraving Tool - Image 1](https://m.media-amazon.com/images/I/81IPcM1+PEL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Function
*by A***R on August 2, 2024*

Easy to use. Seems to be good quality. Wish the bits were better

### ⭐ Cheap quality
*by E***O on October 14, 2025*

Worked for about 10 minutes on half power and seized bits are also poor quality. Don’t recommend

### ⭐⭐⭐⭐⭐ Mac’s overkill
*by M***C on June 8, 2025*

Great for grinding stuff works great love it

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.uy/products/89706354-1-8-micro-pneumatic-air-pencil-die-grinder-kit-pencil](https://www.desertcart.uy/products/89706354-1-8-micro-pneumatic-air-pencil-die-grinder-kit-pencil)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-05*