Pentel EnerGel Pro Permanent Gel Pen

The Energel Pro Permanent, sometimes call simply the Energel Pro or Energel Permanent, is a variant of the Energel liquid gel pen that uses a permanent, waterproof pigment-based ink. The ink is quick-drying like that of all Energel pens, but it's also waterproof, fade-resistant, and fraud-proof. The Energel Pro uses the waterproof Energel LRP7 0.7
The Energel Pro Permanent is a variant of the Energel liquid gel pen that uses waterproof gel ink.

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Pentel EnerGel PRO Permanent Gel Pen, (0.7mm) Medium Line, Blue Ink, Box of 12 Pens (BLP77-C)

Write with comfort and peace of mind with the EnerGel PRO Permanent Gel Pens. The pigmented gel ink is fraud-proof, fade-proof and water-proof making it perfect for writing on important archival documents. Unique ink formula combines the best qualities of pigment and gel inks for a super-smooth writing experience that stands the test of time. Features quick-drying pigmented ink that is great for left handers.

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