Opus 88 Demonstrator Fountain Pen in Blue Whale – Extra Fine Point – NEW in Box. Conceived from the life of the blue whale, a symbol of hope. The printing difficulty of this pen is very high. You can know the difficulty of printing from the continuous patterns on the upper and lower tubes. The blue whale’s energy symbolizes the sacred heart in us. Having been driven to the brink of extinction, blue whales have a brutal and bloody history. They symbolize humanity’s power to shape a sustainable future. Enjoy watching your ink color of choice slosh around the massive 3.5mL capacity of this eyedropper filling fountain pen. Engineered for serious fountain pen enthusiasts who love to use their pens to write at extreme length, the Opus 88 Demonstrator is one of the few modern pens to feature an eyedropper filling only system that has a shut-off valve. More commonly found in Japanese vintage fountain pens, the valve regulates the ink flow to prevent ink burping on the page. Opus 88 Demo Eyedropper Filling Fountain Pen Details. Barrel and Cap crafted from acrylic resin with swirls of blue and hand painted artwork. Nib: Stainless steel #6 nib with plastic feed. Filling System: Eyedropper (includes glass eyedropper) with shut-off valve to safeguard against leakage. Pen Length Closed: 5.63 in. Pen Body Max Diameter: 0.63 in. 9 oz / 23g. Ink Capacity: 3.5ml. Gift boxed with an instruction booklet and eyedropper. AUTHENTIC & GENUINE PRODUCTS. We are an authorized dealer for all the brands we carry. We do not sell imitations of any sort and only carry genuine, original brand name writing instruments and accessories. Please refer to your local import laws for details. We strive for your ultimate satisfaction. We cannot accept opened and used bottles of ink, ink cartridges, used notebooks, engraved pens or pen cleaning supplies. When you receive any new fountain pen, we recommend to inspect it thoroughly and if necessary, lightly dip the nib tip in washable ink to test it. Make sure all of your auctions have ended prior to checking out.