Sailor Hocoro Pen Barrel (Clear Black) 14-0135-220

Sailor Hocoro Pen Barrel (Clear Black) 14-0135-220

• Name / Variant: Sailor Hocoro Pen Barrel (Clear Black) — 14?0135?220 Alternate Listings:

•  • Listed as “Clear Black Barrel with Hocoro Nib Dip, model 14?0135?220” at JapanWithLove.
   • Available in “Pen Barrel” section under Sailor products.

Materials, Dimensions & Physical Specs

• Material: PC resin (polycarbonate) for the barrel body

• Barrel Color / Finish: Clear Black (i.e. transparent / smoke?tinted black) 

• Compatibility / Use: This is a barrel / body component, intended to house the removable Hocoro nib section (nib + feed unit). (Note: Nib not necessarily included in barrel?only listings) 

• Dimensions & Weight:
   • Approximate diameter / grip area: ~?10.5–10.7 mm (varies by source)
   • Barrel length: ~?11.4 cm (114 mm) (writing barrel length) in related “clear” version listings. 
   • Weight: ~?6 g (for barrel only) in comparable clear barrel model.

Features & Functional Description

• Modular / Interchangeable Design
   The Hocoro system uses a modular approach: the barrel is separate from the nib module (nib + feed / reservoir). The nib module can be inserted, removed, or inverted into the barrel for storage.

• Nib Protection / Storage
   When not writing, the nib unit can be reversed and inserted into the hollow barrel, effectively acting as a “cap” to protect the tip.

• Ink Switching Ease
   Because the barrel is only a housing and not part of internal ink flow, switching inks is simplified: remove the nib module, rinse/clean it, then reinsert. The barrel remains separate and unaffected by ink. 

• Grip & Handling
   The transparent / tinted design allows the user to visually inspect the nib module inside. The exterior finish is smooth and minimal, typical of PC resin components.

• Not a Complete Pen by Itself
   This listing is for the barrel (body) only. It does not include a nib, feed, or internal reservoir. Buyers intending to use this must have or acquire the matching Hocoro nib and feed sections. 

Considerations, User Feedback & Known Issues

• Barrel Cracking Reports
   Some users of Hocoro pen bodies (across variants) have reported that the barrels cracked at the tail end over time, even with light or moderate use. > “All their tails have cracked … in almost the exact same spot.”
   This suggests some fragility in the resin, especially in transparent or tinted plastics.

• Compatibility with Drawing / Specialty Inks
   Because the barrel is passive (no internal ink path), using more aggressive or pigmented inks won’t damage the barrel itself. However, the nib module must still be carefully cleaned to prevent clogging or corrosion. Some users discuss using drawing inks like sumi or ink pens with the Hocoro system, but caution is advised.

• Barrel Only = No Flow or Ink Mechanism
   Since it’s only a barrel, it does not influence ink flow or performance. The quality of writing will depend entirely on the nib + feed unit used.