ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction
ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction
Fast Delivery
Free returns
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Returns
Returns
We accept returns within 30 days of delivery. Items must be unworn, unwashed, and returned with original tags attached.
Care Instructions
Care Instructions
To preserve the beauty of your dress, we recommend gentle hand washing or dry cleaning. Do not bleach. Hang or lay flat to dry. Steam or iron on low heat if needed.
Shipping
Shipping
Orders are processed within 1–3 business days.
- Standard Shipping: 5–9 business days — $3.95
- Express Shipping: 4–7 business days — $9.95
Delivery times are estimates and may vary depending on your location. Tracking information will be provided once your order has been shipped.
Tackle precise markings with ease using the deep hole marker pen built for professionals and DIY enthusiasts alike. The ProMark Deep Hole Marker delivers accuracy in tight spaces where regular pens can’t reach, making it a must-have tool for woodworking, metalwork, and home repairs. With its waterproof industrial marker ink and 20mm long nib, this pen ensures clear, smudge-resistant lines on almost any surface. Perfect for marking hidden joints, corners, and drill points—get flawless precision every time.
Key Features:
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20mm long nib design reaches deep, narrow, or hard-to-access areas.
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Works on multiple surfaces including wood, metal, glass, plastic, and tile.
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Waterproof and quick-drying ink prevents fading and smearing.
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Durable body with a secure cap for long-lasting use on the job site.
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Available in packs from 1 to 40 pieces—ideal for workshops or team use.
Why Choose Our ProMark Deep Hole Marker Pen:
Unlike standard markers that dry out or can’t reach recessed areas, this long nib marker is built to handle precision tasks with reliability. It’s designed for tradespeople who need accuracy without interruption. ProMark offers professional-grade ink flow and coverage—making it the go-to choice for builders, carpenters, electricians, and crafters.
Perfect For:
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Woodworking, metal fabrication, and construction projects.
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Marking inside holes, gaps, or tight joints.
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Professional trades, industrial work, and detailed home projects.
How It Works:
Remove the cap and use the long nib to mark directly into deep holes or hard-to-reach areas. Wipe the surface clean before applying for best results.
Care & Maintenance:
Keep capped when not in use to prevent drying. Store horizontally for consistent ink flow.
Mark with Confidence, Every Time
Experience the accuracy and reliability of the ProMark Deep Hole Marker Pen—engineered to make your toughest marking tasks easier, cleaner, and more precise.

what our customers say about us
4.9
Based on 100+ Reviews
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EEmily R.Verified BuyerPerfect for a summer weddingI wore this to my cousin's wedding and felt amazing all day. The fit was exactly as expected, and I received so many compliments. I ordered my usual size S.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 23 2
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OOlivia H.Verified BuyerBeautiful dressReally happy with this purchase. I only wish I had steamed it before trying it on because it arrived with a few wrinkles from shipping.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0
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SSarah T.Verified BuyerSo flatteringI have a hard time finding dresses that fit my waist properly, but this one was perfect. Very comfortable to wear for several hours.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0
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CChloe W.Verified BuyerWorth every dollarThe quality surprised me. The material has a nice weight and doesn't feel see-through at all. I'll definitely order another style.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0
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AAmanda K.Verified BuyerEngagement photo approvedBought this for our engagement photos and couldn't be happier. It looked beautiful in natural light and fit perfectly.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0
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NNicole B.Verified BuyerRuns slightly roomyI was between sizes and ordered the larger one. It still looked great, but I probably could have gone with my usual size.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0
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HHannah C.Verified BuyerComfortable all eveningWore this to a formal dinner and didn't have to adjust it once. It stayed comfortable from start to finish.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0
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MMegan L.Verified BuyerLove the qualityBeautiful stitching and a really elegant design. It feels much more expensive than it actually is.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0
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RRachel S.Verified BuyerTrue to sizeI followed the size chart and ordered a Medium. It fit exactly the way I wanted.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0
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AAshley D.Verified BuyerReceived so many complimentsEveryone kept asking where I bought this dress. It's simple, elegant, and easy to accessorize.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0
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LLauren P.Verified BuyerVacation favoritePacked this for my trip to Italy and wore it twice. It's lightweight, comfortable, and photographs beautifully.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0
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BBrittany G.Verified BuyerLovely dressThe zipper was a little stiff the first time, but after wearing it once everything worked perfectly. Overall, I'm very happy.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0
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KKayla N.Verified BuyerHelpful customer serviceI wasn't sure which size to buy, so I contacted support first. They recommended a Small, and it fit perfectly.ProMark Deep Hole Marker Pen – 20mm Long Nib Waterproof Industrial Marking Tool for Wood, Metal & Construction Was this helpful? 0 0