Electric Chip Grinding Pen | Precision Motherboard IC Grinding / Cutting / Polishing Tool
Precise Control, Hassle-Free Grinding

The GDR2 is a compact electric grinding pen designed specifically for precision electronic repairs. Whether grinding IC chips, cutting motherboards, trimming brackets or removing screws, the GDR2 delivers a stable output at a high speed of 37,000 RPM, helping you complete every delicate task with ease.

Key Features
🔧 Three-speed settings to suit various applications
Low: Precision grinding, ideal for IC chip surface treatment
Medium: Efficient cutting, ideal for motherboard circuit trimming
High: Powerful output, ideal for bracket grinding and screw removal

🧲 Strong magnetic motor protection + chip overload protection
Built-in strong magnetic motor and intelligent protection chip effectively prevent damage from overload, extend the device’s lifespan and ensure operational safety.

⚙️ High-speed motor, smooth and steady
Features a specialised bearing design that effectively reduces operating noise and body vibration, maintaining stable performance even during prolonged use.

✋ Ergonomic design, comfortable grip
Crafted from solid steel, the body weighs just 40g. Lightweight and compact, it offers an excellent grip and prevents fatigue during extended use.

🔄 Quick-change heads, flexible and convenient
Compatible with 2.35mm shank grinding heads, the plug-and-play design allows for quick replacement. Paired with a south-facing concentric mount, it ensures superior concentricity and more precise grinding.

Equipped with 9 grinding heads to suit a variety of scenarios
The GDR2 comes standard with 9 grinding heads of different specifications, covering:
IC chip grinding
Motherboard cutting
Bracket trimming
Screw removal
One machine, multiple uses, meeting a wide range of needs including electronic repairs, mobile phone repairs and motherboard-level repairs.

Product Specifications
Item    Specification
Name    Electric Grinding Pen
Model    GDR2
Weight    40g
Dimensions    128×16×16 mm
Voltage    DC 3.6V
Battery Type    Type-C port charging
Chuck Diameter    2.35 mm
Speed    37,000 RPM (3-speed adjustable)
Applications    Chip grinding, motherboard cutting, bracket trimming, screw removal, etc.

Package Contents
Repair Master GDR2 Electric Grinding Pen ×1
2.35mm Grinding Heads ×9
Type-C Charging Cable ×1
User Manual ×1

Target Audience
Mobile phone repair engineers
Motherboard-level repair technicians
Electronics enthusiasts / DIY enthusiasts
Chip-level repair professionals