General Tools 505 Cordless Engraving Pen
- 20,000 rpm motor
- 2 AAA batteries included
- Diamond tip for glass, metal, ceramic and plastic
- Aluminum body, tri-lobe ergonomic grip
- 3.5 ounces weight
Last refreshed Sep 6, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A compact battery-powered engraving pen with a diamond tip for marking glass, metal, ceramic and plastic. It suits labeling valuables and small personalized gifts, not heavy engraving.
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ASIN: B004YK66NMModel: 505Category: Engraving Machines & Tools
Overview
A workbench or kitchen table is room enough for this cordless engraving pen, which marks valuables with identifying text and handles delicate personalization. A diamond tip bit does the cutting while an aluminum body holds the motor.
Battery power and a small body let it work anywhere without a cord, which is how the manufacturer frames it. The limit is a single bit type and no stated battery life.
Who it's for
Labeling belongings, gift personalization and light hobby engraving on hard, smooth surfaces. Anyone who wants interchangeable bits or a corded tool for long sessions should choose a different engraver.
Pros and cons
- Cordless, battery powered
- Diamond tip for hard materials
- Tri-lobe ergonomic grip
- Tip needs cooling breaks
- Single bit type listed
- Battery life not listed
Performance notes
Pressure and a clean surface decide how well the diamond tip marks, and a template guides straighter lettering. The description advises practicing on scrap and pausing so the tip can cool between sessions. Motor speed is fixed by the batteries and the listed motor rating.
Specifications
| Brand | General Tools |
|---|---|
| Model | 505 |
| Dimensions & fit | |
| Item weight | 3.5 ounces |
| Product dimensions | 5.15 x 11.1 x 1.05 inches |
| Capacity & performance | |
| Motor speed | 20,000 rpm |
| Construction & materials | |
| Material type | Aluminum |
| Compatible materials | Glass, metal, ceramic, plastic |
| Other details | |
| Tip | Diamond |
| Item model number | 505 |
| Batteries | 2 AAA batteries required (included) |
| Manufacturer Recommended Age | 3 years and up |
| Department | Unisex-Adult |
| Release Date | November 1, 2021 |
Closest rivals on specs
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Frequently asked questions
Is the General Tools 505 engraving pen a rotary tool?
No. It is a cordless engraving pen with a diamond tip. The listing names no other bits.
Does the General Tools 505 need an outlet?
No. It runs on 2 AAA batteries, which are included.
How do I avoid damaging a project with the General Tools 505?
The description advises enough pressure to make a mark, a template to guide the work, practice on scrap material and breaks so the tip can cool.