Vertex Magnetic Rollerball Pen KitsVertex Magnetic Rollerball Pen Kits Build a pen that disappears into the hand and impresses the eye the Vertex Magnetic Rollerball Pen Kit by Penn State Industries combines a bold faceted single tube design with a magnetic cap that snaps on and off effortlessly no threads, no fidgeting, just instant posting on either end of the pen. The elongated barrel is engineered to showcase the full run of a turning blank, making every grain line and resin swirl