Features:Each marker features 20mm long nib. This deep-hole design allows the markers to be applied in hard-to-reach areas, providing carpenters with enhanced convenience.Anti Lost Design: For easy accessibility, the markers are equipped with a portable pen clip, enabling users to attach them to pockets or notebooks, preventings them from being misplaced or lost.Easy to use: To refills the long-nosed markers, simply add 3 or 4 drops of ink. Overloading with too much ink can lead-to leakage, so it is important to use the appropriate amount.Material: The marker shell is constructed from quality material, which is wear and tear resistant, ensuring the longevity of the products. The ink used is waterproof and does not fade easily, further contributing to the markers' long-lasting performance.Multifunctional: These versatile construction markers can be utilized in a wide range of application, including marking locations, furniture decoration, metal processing, wood processing, glass industry, plastic industry, and automobile manufacturingNotice:*Actual color may be slightly different from the image due to different light effect*Please allow 1-3cm deviation due to manual measurementQuantity: 4pcsSize: As Picture showPackage List:4pcs Long Nose Deep Hole Marker Pens