The Beta Inkless Pen is the most eco-green writing instrument. Use it and you will stop contributing to the grinding away of trees by sharpening away wood pencils. The Beta Inkless Pen will be your favorite writing instrument. Use it for a new experience. It lays down a grey line that doesn't smudge or erase. It never needs sharpening and doesn't run out. The tiny metal tip is made of a patented AXL-METAL (so do not put it in your mouth) and will write notes forever. The shaft of the pen is available in anodized aluminium which is cool to the touch.
The pens can be used on most paper surfaces, at any temperature or in any weather condition and will never need to be sharpened. There is no ink, so it will never dry up or leak. Doesn't smear.