The Prometheus Nano by Pyptek is an awesome portable one hitter pipe assembled in Denver, Colorado.
It is made of a solid borosilicate glass core that ensures maximum untainted flavor and an anodized aluminium shell that covers the glass core. The shell is constructed from aerospace grade 6061 aluminium.
The pipe measures 4.1 inches in length and is available in 5 colors (black, green, purple, blue, and red).