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White barrel industrial marker with medium bullet tip in blue

uni-ball

uni-ball 63603 Medium Bullet Tip Blue Marker

SKU CH-KWT9-T087Y MPN 63603

Creates permanent, water- and fade-resistant marks on virtually any surface with quick-drying oil-based ink

  • Product typeMarkers
  • Oil-based ink marks permanently on virtually any surface
  • Quick-drying paint resists water, fading, heat and abrasion
  • Valve action controls flow and prevents tip drying out
  • Opaque blue marks show clearly on light and dark materials
  • Industrial-grade metal barrel and durable bullet tip for long life

Industrial marking tool

The uni-ball 63603 is an oil-based paint marker built for industrial environments where permanent, opaque marks are required on metal, plastic, glass and other difficult surfaces. It suits maintenance crews, fabricators and technicians who need reliable identification on oily, greasy or dark substrates.

Valve-action flow control

A valve mechanism regulates ink delivery and prevents the tip from drying out when the marker is left uncapped during shift work. The medium bullet tip produces consistent line width on rough or smooth surfaces, while the white metal barrel resists solvent exposure and rough handling on site.

Replaces standard felt-tip markers

Conventional markers fail on contaminated or low-energy surfaces; this paint marker adheres where they bead or wipe away. The upgrade is justified when marks must survive weather, abrasion, heat or chemical wash-down without fading or lifting.

How it compares

Measured against everything we stock in Pens, Pencils & Felt-Tip Markers, at today’s prices. Recalculated every night.

Price $1.99
Cheaper than about 98% of the 2,692 comparable items (median $13.99).

Specifications

Product
Brand nameUni-Paint
Product typeMarkers
Size & build
Shipping weight0.23 kg
Package size152 × 13 × 13 mm

Questions about this item

What surfaces does the oil-based ink mark permanently?

The oil-based paint marks opaque and glossy on virtually any surface, including oily, greasy, light and dark materials.

What barrel material ensures a long marking life?

The metal barrel and durable bullet tip are designed for extended use in industrial environments.

How does the valve action prevent the marker from drying out?

Valve action controls ink flow and stops the tip from drying out even when left uncapped.

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