This here is a must have in any writer's tool box. This tungsten carbide scriber pen is sharp as hell and digs deep into them perm spots. It's also small, compact, and discreet with the pocket clip. Six inches overall. Works great, does not dull, and easily etches hard materials such as glass, ceramics, and most metal surfaces. It's the only way to get up, get yours and let them know!
Tungsten Carbide Scriber8 in stock