SKILCRAFT® - NSN5649906 Multifunction pen offers a choice of writing instruments in a single barrel and is specifically made for small pockets on military uniforms. Design includes black and red medium ballpoint ink and a 0.5mm pencil. The screw-top eraser fits tightly on the pencil top. All-metal construction provides added durability. B3 Aviator Pen includes a special finish that won't reflect light.