Guangna 906 Deep Hole Markers 10-Pack

Guangna 906 Deep Hole Markers 10-Pack

Reach deep recesses, narrow gaps, and hard-to-access drilling spots with the Guangna 906 Deep Hole Marker Pens 10-Pack. Engineered with an elongated 20 mm x 1.5 mm stainless steel nose and fast-drying waterproof ink, these heavy-duty construction markers make accurate layout marking effortless for woodworkers, carpenters, plumbers, and DIY renovators. The assorted 10-piece set includes five high-contrast colors (black, white, red, green, and blue) to ensure crisp visibility across dark, light, and dusty work surfaces.

Key Features

• 20 mm Extended Long Nib: Slender 1.5 mm tip reaches easily through pre-drilled bracket holes, tight crevices, and deep fixtures where standard markers cannot fit.
• Waterproof & Quick-Drying Ink: Smudge-proof permanent formula dries instantly on contact and resists moisture, oil, and outdoor exposure.
• 5 High-Contrast Jobsite Colors: Includes two pens each of black, white, red, green, and blue for clear legibility on both light and dark materials.
• Multi-Surface Material Adhesion: Marks reliably on untreated lumber, dry concrete, brick, drywall, aluminum, stainless steel, glass, and plastic pipes.
• Durable Jobsite Casing: Built with tough polypropylene housing and a firm pocket clip for convenient everyday carry on tool belts and shirts.

Specifications

• Brand: Guangna
• Model: 906
• Nib Dimensions: 20 mm length x 1.5 mm tip diameter
• Pack Quantity: 10 Pieces (2 Black, 2 White, 2 Red, 2 Green, 2 Blue)
• Ink Formulation: Fast-drying, waterproof permanent marker ink
• Country of Origin: China
• Recommended Applications: Carpentry, woodworking, electrical installations, metal fabrication, and bathroom remodeling

Frequently Asked Questions

What is the length of the extended marker nib?
The elongated metal nose measures 20 mm in length with a 1.5 mm round tip, making it ideal for marking through mounting holes up to 20 mm deep.

Does the white ink show up clearly on dark metal or dark wood?
Yes, the white marker utilizes an opaque pigment formulation that creates high-contrast, easily visible marks on dark timber, steel, and black plastic conduits.

Can these markers withstand dusty workshop environments?
Yes, the permanent ink bonds well to dry, dust-free surfaces, and the durable reinforced metal nose withstands rough contact with abrasive edges.

What is your customer support and refund policy?
We do not handle pre-sale inquiries so our team can focus entirely on fulfillment speed. Comprehensive support is provided immediately after orders are placed. Full refunds are readily available at any time prior to dispatch confirmation. Contact official support at szjyf@outlook.com for prompt assistance.