Uni Ball Signo Knock Ballpoint Pen RT1 0.28mm Color, Baby Pink (UMN15528.68)
Meet the Uni-ball Signo RT1 Gel Pen, the writing tool designed to make your everyday writing tasks effortless and enjoyable. Its sleek design feels comfortable in your hand for those long writing sessions or quick jot-downs alike. No more accidental clicks in your pocket or bag either—the integrated pocket clip doubles as the push button, keeping it secure and functional wherever you go.What truly sets this pen apart is its pigment-based gel ink, which is not only beautifully smooth but also resistant to water, fading, and even check washing, making it ideal for everything from journaling to signing important documents. And thanks to the pen tip’s ingenious rounded "edgeless" design, you'll enjoy an effortlessly smooth glide across the page every single time. Whether you're jotting down quick thoughts, planning, or tackling detailed notes, this pen is built to keep up with you.Features: Pigment-based gel ink Acid-free, water-resistant, fraud-resistant, fade-resistant, and archival safe 0.5 mm conical nib Retractable with clip Rubber grip Listing is for one Uni-ball Signo RT1 Gel Pen, other pictured items not included.
Meet the Uni-ball Signo RT1 Gel Pen, the writing tool designed to make your everyday writing tasks effortless and enjoyable. Its sleek design feels comfortable in your hand for those long writing sessions or quick jot-downs alike. No more accidental clicks in your pocket or bag either—the integrated pocket clip doubles as the push button, keeping it secure and functional wherever you go.What truly sets this pen apart is its pigment-based gel ink, which is not only beautifully smooth but also resistant to water, fading, and even check washing, making it ideal for everything from journaling to signing important documents. And thanks to the pen tip’s ingenious rounded "edgeless" design, you'll enjoy an effortlessly smooth glide across the page every single time. Whether you're jotting down quick thoughts, planning, or tackling detailed notes, this pen is built to keep up with you.Features: Pigment-based gel ink Acid-free, water-resistant, fraud-resistant, fade-resistant, and archival safe 0.5 mm conical nib Retractable with clip Rubber grip Listing is for one Uni-ball Signo RT1 Gel Pen, other pictured items not included.
Meet the Uni-ball Signo RT1 Gel Pen, the writing tool designed to make your everyday writing tasks effortless and enjoyable. Its sleek design feels comfortable in your hand for those long writing sessions or quick jot-downs alike. No more accidental clicks in your pocket or bag either—the integrated pocket clip doubles as the push button, keeping it secure and functional wherever you go.What truly sets this pen apart is its pigment-based gel ink, which is not only beautifully smooth but also resistant to water, fading, and even check washing, making it ideal for everything from journaling to signing important documents. And thanks to the pen tip’s ingenious rounded "edgeless" design, you'll enjoy an effortlessly smooth glide across the page every single time. Whether you're jotting down quick thoughts, planning, or tackling detailed notes, this pen is built to keep up with you.Features: Pigment-based gel ink Acid-free, water-resistant, fraud-resistant, fade-resistant, and archival safe 0.5 mm conical nib Retractable with clip Rubber grip Listing is for one Uni-ball Signo RT1 Gel Pen, other pictured items not included.
Meet the Uni-ball Signo RT1 Gel Pen, the writing tool designed to make your everyday writing tasks effortless and enjoyable. Its sleek design feels comfortable in your hand for those long writing sessions or quick jot-downs alike. No more accidental clicks in your pocket or bag either—the integrated pocket clip doubles as the push button, keeping it secure and functional wherever you go.What truly sets this pen apart is its pigment-based gel ink, which is not only beautifully smooth but also resistant to water, fading, and even check washing, making it ideal for everything from journaling to signing important documents. And thanks to the pen tip’s ingenious rounded "edgeless" design, you'll enjoy an effortlessly smooth glide across the page every single time. Whether you're jotting down quick thoughts, planning, or tackling detailed notes, this pen is built to keep up with you.Features: Pigment-based gel ink Acid-free, water-resistant, fraud-resistant, fade-resistant, and archival safe 0.5 mm conical nib Retractable with clip Rubber grip Listing is for one Uni-ball Signo RT1 Gel Pen, other pictured items not included.
in 5 offers
The lowest price for Uni Ball Signo Knock Ballpoint Pen RT1 0.28mm Color, Baby Pink (UMN15528.68) right now is $1.07 at office-japan.jp, compared across 3 retailers.
The all-time low was $1.06 on 18 Apr 2026 — today's price is 1% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 10 May 2026.
Last updated at 10/05/2026 22:12:20
Stationery and office supplies mail order "Office Japan" Mitsubishi UMN-155N-28 Baby Pink 68 UMN155N28.68 4902778142585
Delivery $28.02
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.28 mm, Baby Pink
Delivery between 15–25 May $6.85
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.28 mm, Baby Pink
Delivery between 15–25 May $6.85
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.28 mm, Baby Pink
Delivery between 15–25 May $6.85
Uni Gel Ink Ballpoint Pen Uni-Ball Siguno RT1 ‐ 0.28mm Baby Pink
Delivery $40.66
| Body Color | Pink |
| Capped or Retractable | Retractable - Top Button |
| Clip Material | Plastic |
| Clippable | Yes |
| Diameter - Grip | 10.6 mm |
Stationery and office supplies mail order "Office Japan" Mitsubishi UMN-155N-28 Baby Pink 68 UMN155N28.68 4902778142585
Delivery $28.02
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.28 mm, Baby Pink
Delivery between 15–25 May $6.85
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.28 mm, Baby Pink
Delivery between 15–25 May $6.85
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.28 mm, Baby Pink
Delivery between 15–25 May $6.85
Uni Gel Ink Ballpoint Pen Uni-Ball Siguno RT1 ‐ 0.28mm Baby Pink
Delivery $40.66
| Body Color | Pink |
| Capped or Retractable | Retractable - Top Button |
| Clip Material | Plastic |
| Clippable | Yes |
| Diameter - Grip | 10.6 mm |