| Astro-tec pen by Eversharp writes at any angle, even upside down and under water! Writes in freezing temperatures of -50 degrees F and heat up to 250 degrees F-medium point black ink writes on photographs, other glossy surfaces! Sealed, pressurized ink chamber originally developed for use by astronauts in outer space-ink won't dry out! PVC; 5-1/2" long. See below for refills. |