Pentel Hybrid Dual Metallic gel pens. These innovative gel pens are known for producing two different shades depending on whether they are used on light or dark paper, or viewed from different angles.
Brand: Pentel
Product Name: Hybrid Dual Metallic Liquid Gel Roller
Features: Pigment-based, acid-free, waterproof, and fade-resistant ink
Nib Size: Typically 1.0mm ball
Availability: Available in various sets