Description: Using long nib design, this deep hole marker pen can pass through the object mounting hole. And it has pen clip design for easy storage. The ink control system is adopted, which makes the ink output continuously uniform and fast dry. And it has a clear scale for measurement. It is constructed of plastic material. It is easy to color, can add ink design, has smooth writing and even coloring. The length of this product is 15cm. And the length of the pen tip is 30mm. It is suitable for home decoration, hardware processing, automobile manufacturing and other marks that need drilling and deep hole processing. Item Name: Deep Hole Marker Pen Material: Plastic Writing Length: 300m Line Width: 0.7-1mm Features: Permanent, Ink Filling, Smooth Writing Size Details: Marker Pen Length: 15cm/5.91"(Approx.) Pen Tip Length: 3cm/1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Deep Hole Marker Pen