The X bar pens are typically called the lead pens, the Pb pens, radiographic movie identifying confirmation pens, or the x-pillar lead pens. The vital restriction of these pens is indicating the x-pillar movies in the recovering concentrates or the mechanical work environments. You will certainly in like manner discover the pen on the aircraft components and also the electric motors. A lot of points are equipped with the advantage as well as left letter as well as the initials of the engineer. A manufacturer of the X bar pens is the Xraytees. You will certainly have the capacity to locate unique kind of the pen which you could select.