Opus 88 Bela Green Eyedropper Filler which releases the middle piston

which releases the middle piston rod's shut-off mechanism

"PREFOUNTE

Piston converter for Kaweco

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Opus 88 Bela Green Eyedropper Filler which releases the middle pistonThis large fountain pen features opaque swirls of yellow, red and green acrylic, with a striking black clip and bold green accents on the end of the pen and top of the cap. The pen is an eyedropper filler with a shut off valve mechanism that prevents the ink from leaking or drying up. 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