Hongdian M1 Pocket Fountain Pen

Hongdian M1 Pocket Fountain Pen

The Hongdian M1 Pocket Fountain Pen delivers premium travel-ready convenience and exceptional precision in a compact, submarine-inspired silhouette. Engineered from lightweight, anodized aluminum alloy, this pocket fountain pen measures just 10.5 cm capped and weighs an effortless 11 grams, making it the ideal writing instrument for planners, travelers, and daily notebook carry. Fitted with an iridium extra-fine nib, an airtight cap with an engraved smile emblem, and an included ink converter, the Hongdian M1 combines playful personality with smooth, dependable everyday performance.

Key Features

• Submarine-Inspired Aluminum Body: High-grade anodized aluminum construction resists scratches and flaking while keeping the capped pen featherlight at only 11 grams.
• Smooth Iridium Extra-Fine Nib: Precision-ground extra-fine nib and optimized feed deliver silk-like ink flow, zero scratching, and crisp linework on any paper.
• Ultra-Compact Travel Design: Measuring only 10.5 cm capped, it slips seamlessly into pockets, pen loops, or small pouches and posts comfortably for full-size writing balance.
• Airtight Screw Cap: Precision-threaded closure keeps the nib sealed and prevents ink evaporation, decorated with a charming smile engraving on the finial.
• Included Ink Converter: Pre-installed with a refillable ink converter for immediate access to bottled fountain pen ink, with support for standard 3.4 mm cartridges.

Specifications

• Brand: Hongdian
• Model: M1 (Submarine Series)
• Nib Size: Extra Fine (EF, approx. 0.38 mm)
• Nib Material: Stainless Steel with Iridium Tip
• Body Material: Anodized Aluminum Alloy
• Capped Length: 105 mm (4.13 in)
• Posted Length: 138 mm (5.43 in)
• Diameter: 12 mm (0.47 in)
• Weight: 11 g (0.39 oz)
• Filling System: Included Mini Converter / 3.4 mm Cartridge
• Country of Origin: China

Frequently Asked Questions

Does the Hongdian M1 come with an ink converter?

Yes, each Hongdian M1 pocket pen includes a pre-installed ink converter, allowing you to fill from any bottled fountain pen ink right away.

What cartridges are compatible with the Hongdian M1?

The pen accepts standard 3.4 mm bore diameter fountain pen cartridges, including official Hongdian ink cartridges.

Can the cap be posted securely during writing?

Yes, the cap posts securely onto the rear barrel, extending the compact 10.5 cm travel profile into a comfortable, well-balanced 13.8 cm full-length writing pen.

Is the aluminum body durable against pocket wear?

Yes, the pen barrel undergoes a specialized anodizing coloring process that resists peeling, chipping, and scratches during daily EDC or pocket carry.

How does the Hongdian extra-fine nib perform?

The hand-tested iridium extra-fine nib produces crisp, narrow strokes with smooth ink flow and minimal feedback, making it ideal for compact planner grids and detailed notes.