12 Pcs Multi-Purpose Long Head Deep Hole Marker Pens, Long Nib Marker for Metal,
Long Head Deep Hole Marker: Equipped with a long head design, Nib size (LxW): 22 1.5mm(double-heade); size (LxW); 30 2.0mm, size (LxW); 45 2.0mm. Long head deep hole marker pens contain 5 different colors(black, white, red, green, blue), each color is 4 pieces.