Waterproof Long-Head Deep-Hole Marker Pens 20mm Tip — Permanent Oil In

Durable, waterproof marker pens designed for deep-hole and hard-to-reach marks on metal, wood, glass and more. Fast-drying permanent oil-based ink with a 20 mm (0.79 in) long head for precise marking in woodworking, metal fabrication, automotive manufacturing and carpentry.

Specifications:

Type: Oil marker pen / Permanent marker
Ink Type: Permanent, oil-based, waterproof, fast-drying
Ink Colors: Black, Blue, Red, Green
Brush Tip: Round toe long head
Writing Point: 20 mm (0.79 in)
Dual-side Writing: Yes
Suitable Surfaces: Metal, Wood, Glass, Plastic, Whiteboard
Applications: Furniture decoration, bookshelf marking, lamp/drill hole positioning, automotive and metal processing, carpentry
Features: Long-head design for deep-hole marking, waterproof, quick drying
Package Options: Single, 2 pcs, 3 pcs, 4 pcs or 12-color box
Chemical Safety: No high-concern chemicals reported

Reliable for professionals and DIYers — the extended 20 mm head reaches into deep holes and tight spots to leave clear, permanent marks that resist water and smudging. Ideal for woodworking, metal fabrication, automotive manufacturing, and general workshop tasks.

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