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🖋️ Write sharp, write smart — the pen that means business.
The 三菱鉛筆 uni Ball Signo Knock Ballpoint Pen RT1 features an ultra-fine 0.28mm tip delivering precise, clean lines in vibrant blue ink. Its retractable design offers quick, cap-free use, while the lightweight plastic body ensures comfortable writing. Made in Japan, this pen combines expert craftsmanship with smooth ink flow, ideal for professionals who demand accuracy and style in their everyday writing tools.
| ASIN | B00B57P7YG |
| Additional Features | Retractable |
| Age Range Description | Teen |
| Age range (description) | Teen |
| Best Sellers Rank | #68,927 in Office Products ( See Top 100 in Office Products ) #1,501 in Retractable Ballpoint Pens |
| Body Shape | Round |
| Brand | 三菱鉛筆 |
| Brand Name | 三菱鉛筆 |
| Closure Type | Retractable |
| Color | Blue |
| Colour | Blue |
| Customer Reviews | 4.4 out of 5 stars 688 Reviews |
| Drill Point | Mikro |
| Global Trade Identification Number | 04902778142561 |
| Grip Type | Smooth |
| Hand Orientation | Ambidextrous |
| Hardness | H |
| Included Components | Ink Cartridge |
| Ink Base | Oil |
| Ink Color | Blue |
| Ink colour | Blue |
| Item Diameter | 11 Millimeters |
| Item Type Name | Gel Ballpoint Pen |
| Item Weight | 5 g |
| Line Size | 0.3mm |
| Manufacturer | Uni |
| Material | Plastic |
| Material Type | Plastic |
| Model Name | Signo Knock |
| Model Number | UMN15528.33 |
| Pattern | single item |
| Recommended Uses For Product | Writing |
| Style | Modern |
| Theme | Fantasy |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |
| Writing Instrument Form | Ballpoint Pen |
| Writing Technique | ballpoint |
| Writing instrument form | Ballpoint Pen |
C**N
le plus fin
le plus fin des stylo gel que l'on peut trouver. Ecrit très bien malgré la finesse du trait. Parfait pour ceux qui aiment écrire petit.
Y**A
Great
I’m a fan of very fine pens and this one is just 0.28. The ink flow is smooth and the color is lovely.
A**O
Good
Perfect!!
A**ト
早かった🎵
近隣県だったせいか・・予定よりも前に 直ぐに届きました‼️プチプチ包装でプチプチ封筒です‼️ゆうパックでした✨丁重です🍀 ありがとうございます😆 ライムグリーン0・28だけなかったので、やっと揃えることが出来ました✨(σ≧▽≦)σｺﾚｺﾚ 手帳書きに欠かせないペンシリーズの一つで愛用してます⤴️
A**S
Muy útil
Yo tengo la letra chica y no es raro que con las puntas gruesas se vea amontonado y sucio. Encontré una que puedo escribir inclusive del tamaño de una hormiga y se ve limpio, nítido y no lastima la muñeca. Vale mucho.
Trustpilot
2 weeks ago
1 month ago