Feature:1. 30MM LONG NIB: Deep hole marker with 30mm long nib for easy marking in deep holes or hard to reach places, convenient to use.2. WITH SIMPLE RULER: The marker pen barrel has a simple ruler, which is convenient for measurement and has strong practicability.3. GOOD WATERPROOF: The long nib marking pen has good water resistance, fast drying, and is not easy to fade after rinsing.4. APPLICABLE SCENES: Can be used for surface finishing of wood, metal, glass and plastic, ideal for woodworking or home repairs.5. DURABLE MATERIALS: Made of excellent ABS and carbon steel materials, lightweight and wear resistant, and has long service life.Specification:Item Type: Long Nib MarkerProduct Material: ABS + Carbon SteelSize: Approx. 138 x 12mm / 5.4 x 0.5inNib Length: Approx. 30mm / 1.2in.Package List:1 x Deep Hole Marker