Pentel 1.0mm Tip Hybrid Gel Grip Dx Ultra Smooth Pigment Ink Pen with Chunky Barrel - White The Hybrid Gel Grip DX, Ultra smooth pigment ink, Chunky Barrel, 0.1mm tip, White Pentels K230-W Hybrid Gel Grip DX has a distinctive chunky barrel perfect for everyday writing. Ultra smooth flowing metallic pigment gel ink delivers smooth, stress-free writing to the last drop.