This article covers PFU HHKB Professionalシリーズ キートップセット 英語配列 中央印字 白 PD-KB400KTWC.

Overview

The PFU HHKB Professional Series Keycap Set (model PD-KB400KTWC) is an official replacement keycap set designed for English-layout HHKB Professional keyboards. This set includes 60 keycaps with center-printed legends in white, along with a keycap puller and an instruction manual. If you have been using your HHKB for years and the keycaps have become shiny, yellowed, or worn out, this set offers a straightforward way to restore the original look and feel. Since it is a genuine PFU product, you can expect the same print quality, material texture, and precise fit as the original keycaps.

Connectivity & Compatibility

This keycap set is compatible with the following English-layout HHKB Professional series models: HHKB Professional HHKB Professional2 HHKB Professional2 Type-S HHKB Professional BT HHKB Professional HYBRID Type-S HHKB Professional HYBRID * HHKB Professional Classic It is NOT compatible with Japanese-layout models or other HHKB series such as HHKB Lite or HHKB Studio. Always verify that your keyboard is an English-layout model before purchasing. Keycap replacement is a user-level task. Follow the included instruction manual carefully to avoid damaging the keycaps or switches.

Product Info

Released around December 2023, this keycap set carries a manufacturer's suggested retail price of 6,600 yen (tax included). It is available through and other retailers, sold and fulfilled by PFU Direct. In terms of market positioning, this is a genuine accessory for HHKB Professional users. While third-party keycap sets exist, the official set guarantees print quality, material consistency, and perfect compatibility with the HHKB's electrostatic capacitive switches.

Best Use Cases

Long-time HHKB Professional users: If your keycaps have become shiny or yellowed over years of use, replacing them with this set can refresh both the appearance and the typing feel. Second-hand HHKB buyers: When you purchase a used HHKB, swapping the keycaps is an easy way to make the keyboard feel like new again. * Users with a single damaged key: Note that this set includes all 60 keycaps and is not sold individually. If only one key is broken, you will still need to buy the full set. If you are looking to customize the color or legend position of your keycaps, third-party sets with more color options may be a better fit.

Product Disclosure (Amazon)

  • Manufacturer: HHKB
  • Seller: PFUダイレクト
  • Fulfilled by: PFUダイレクト
  • ASIN: B0CNGN2ZGY
  • Note: This article covers a manufacturer-made product based on Amazon listing details.