Last updated at 12/05/2026 07:33:25
Uni Ball Signo Knock Ballpoint Pen RT1 0.38mm Color, Red (UMN15538.15)
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Stationery and office supplies mail order "Office Japan" Mitsubishi UMN-155N-38 Aka 15 UMN155N38.15 4902778142646
Delivery $27.89
Pen Uni Rollerball Signo Umn155 Retractable 0.38MM Red
Delivery between 15–21 May $9.70
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.38 mm, Red
Delivery between 18–26 May $6.85
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.38 mm, Red
Delivery between 18–26 May $6.85
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.38 mm Red
Delivery between 18–26 May $6.85
Uni-Ball Signo RT1 Retractable 0.38mm Gel Pen Red
Delivery by Fri $5
Uniball Uni-Ball Signo RT1 Retractable 0.38mm Gel Pen Red
Delivery between 14–23 May $7.95
Uni-ball Signo RT1 Gel Pen 0.38mm Red
Free delivery
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.38 mm Red
Delivery $28.14
Uni Ball Signo Knock Ballpoint Pen RT1 0.38mm Color, Red (UMN15538.15)
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Stationery and office supplies mail order "Office Japan" Mitsubishi UMN-155N-38 Aka 15 UMN155N38.15 4902778142646
Delivery $27.89
Pen Uni Rollerball Signo Umn155 Retractable 0.38MM Red
Delivery between 15–21 May $9.70
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.38 mm, Red
Delivery between 18–26 May $6.85
Uni-ball Signo RT1 UMN-155 Gel Pen - 0.38 mm, Red
Delivery between 18–26 May $6.85
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.38 mm, Red
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 14 offers
The lowest price for Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.38 mm, Red right now is $1.06 at office-japan.jp, compared across 12 retailers.
The all-time low was $1.06 on 24 Apr 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 12 May 2026.
