Opus 88 Koloro Black 2025 Edition

This modern pen incorporates a blend of black with clear acrylic into an eyedropper filler pen with a shut-off valve mechanism.  To fill, unscrew the section, fill with the included eyedropper, and replace section. To write, simply unscrew the end blind cap, which releases the middle piston rod's shut-off mechanism. (video below) Stainless steel Jowo nib Chrome clip Eyedropper included Length Capped  142.2mm ( 5.6in) Posted Length 158.8 mm (6.25in) Body diameter .54mm (2.5in) Grip diameter 10.9mm (.43in) Need Pen Storage? Check out our some of our awesome Pen Cases.