45mm Deep Hole Marker

Professional Positioning Tool 45mm Extra-Long Nib for Deep Holes The extended 45mm tip reaches through narrow mounting holes and hard-to-access spaces, helping you mark precise positions where ordinary markers cannot reach. Designed for Narrow & Hard-to-Reach Gaps Standard markers often have bulky casings that get blocked by outer surfaces. Our ultra-slender 45mm metal sheath allows perfect clearance for deep-hole markings. Ours: 45mm Long Nib ✓ 45mm extended stainless steel sheath easily clears deep mounting holes. ✓ Accurately positions markings on hidden underlying surfaces. Others: Standard Tip ✗ Bulky plastic shoulders get blocked by mounting hole edges. ✗ Incapable of reaching underlying templates or deep points. Refillable Design for Extended Use Instead of disposing of the marker when the ink runs low, easily restore your ink supply using the quick screw-cap refill design. Step 1 Unscrew the rear cap counterclockwise to open the ink chamber. Step 2 Fill with an appropriate amount of marker ink, then securely tighten the rear cap. Waterproof & Fast-Drying Oil-Based Ink Formulated for demanding worksites. The premium oil-based ink dries rapidly to prevent smudges and resists water and fading, keeping your guides completely legible. Waterproof Fast-Drying Fade-Resistant Pins Down Marks Accurately Every Time The rigid needle-nose metal sleeve holds the writing tip stable, preventing flexible bending when reaching through boards. The premium ink formulation also allows for up to 72 hours of cap-off time without drying out. Pinpoint Accuracy No-Bend Metal Sleeve 72h Cap-Off Time Widely Used Across Professional Trades Whether you work with wood, plastic, glass, or metal, this versatile deep-hole marker delivers clean positioning guides in any professional or DIY environment. Specifications Nib Length 45mm (Extra-Long Precision Sheath) Ink Formulation Premium Oil-Based (Waterproof, Fast-Drying, Fade-Resistant) Cap-Off Time Up to 72 hours without drying out Ink System Refillable (Counterclockwise screw-cap mechanism) Available Colors Black, Red, Blue, Green, White Design Details Cap with pocket clip and 0-45mm scale measurement ruler Frequently Asked Questions Q: How do I refill the marker with ink? A: Refilling is fast and clean. Simply unscrew the rear cap counterclockwise, add an appropriate amount of marker ink directly into the internal chamber, and screw the cap back on tightly. Q: What surfaces can I mark on? A: This marker writes effectively on many different materials including wood, plastic, glass, metal, cardboard, and other structural parts. Q: Will the marker dry out quickly if I forget the cap? A: The marker features a specialized premium oil-based ink formulation that stays uncapped up to 72 hours without drying out, preventing early dry-out during active jobs.