The Alvin Penstix is a technical, permanent, and waterproof marker that is sold in Extra Extra Fine, Extra Fine, and Fine sizes.
The Extra Extra Fine is 0.3 mm, the Extra Fine is 0.5 mm, and Fine is 0.7 mm.
These are technical markers that are comparable to Micron and Copic fineliners. They are normally sold in sets of 3 or 5 and are only sold in black.
A similar, more affordable product would be the iBayam fineliners which are sold in a full range of colors.
Alvin Penstix Marker Information
| Street Price | Check Price |
| Manufacturer | Alvin |
| Pen Type | Brush Pen |
| Rating | |
| Barrel Color | Silver, Black |
| Barrel Material | Plastic |
| Body Diameter (mm) | 11.1 mm |
| Grip Color | Silver, Black |
| Grip Material | Plastic |
| Grip Diameter (mm) | 9.5 mm |
| Country of Origin | Austria |
| MSRP | $3.00 |
| Still Sold | Yes |
| Similar To | |
| Refills | |
| Capped? Retractable? | Capped - Snap On |
| Clip? | Plastic |
| Length Capped / Retracted (cm) | 14.6 |
| Length Posted (cm) | 16.0 cm |
| Length Uncapped (cm) | 13.6 cm |
| Weight (g) | 7 |
| Refillable | No |
| Ink Color Shipped | Black |