This listing is for a adjustable marker mount for cnc plasma table. This allows you to bolt the mount to the torch and perform marking and drawing procedure before you actually cut to make sure files looks great beforehand so you do not ruin expensive materials. It also allows you to mark holes that will be stud welded or drilled so you know exactly where to go. The kit includes the mount, hardware and marker so your all set just takes about 5 min to bolt on and set up. If you have any questions please let us know.