①. Product name: Long Head Deep Hole Marker Pens ②. Product size about: 14cm/5.5in ③. Pen tip: 20mm/0.7in ④. Product color: As shown in the figure ⑤. Product material: PP ⑥. Product features: - Double-head design: It adopts a double-head design, one side is long and the other side is short. The tip of the long-head pen is 20mm. It has a slender tip that can be inserted between narrow gaps or write in small spaces, such as nail and screw holes in frames and wood. - Universal marker: The long-head deep hole marker is suitable for furniture decoration, bookshelves, and lamp drilling locations. It also marks deep holes for metal processing, automotive manufacturing and other production industries. - Quick-drying and waterproof: The long-head deep hole marker is quick-drying, stain-proof and waterproof. It can mark most dry and dust-free surfaces such as aluminum, metal, concrete, glass, wood, plastic, etc. It is easy to use. - Sturdy and comfortable: Made of PP material, it is sturdy and not easy to age. The overall size is stable, reliable and comfortable to hold. There is a 60mm ruler on the side to help you measure. - Practical marking tool: The long-head deep hole marker is ideal for handmade and DIY projects. Its well-designed marker can make eye-catching marks and reach hard-to-reach places. Special marker for carpenters, DIY enthusiasts and more. ⑦. Precautions: - As we all know, different computers display colors differently, the color of the actual item may vary slightly from the following images. - If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. ⑧. Shipment includes: 6 pc Long Head Deep Hole Marker Pens