Allflex Ear Tag Marker Pen Black (Broad & Fine Marking Tips) 

 Allflex marking pen is a single pen offering both fine and broad marking options. Effortless grip and user-friendly pump action with fade resistant black ink. Specially formulated for Allflex ear tags. Optimal results are obtained by shaking the pen thoroughly, writing the ID once on the tag using the Allflex tag pen, letting the ink dry and then writing over the ID a second time. Adhering to this process ensures a lasting and legible identification visible in the field for years to come!