The refill has a rounded nib designed to reduce friction with the writing surface. It is compatible with Uni-ball Signo UM-151 0.38 mm Gel Pen.
The refill has a rounded nib designed to reduce friction with the writing surface. It is compatible with Uni-ball Signo UM-151 0.38 mm Gel Pen.
in 6 offers
last seen 8 May 2026
The lowest price we last saw for Uni-Ball Signo UMR-1 Gel Pen Refill - 0.38 mm - Red was $1.66 at A Lot Mall, compared across 4 retailers (last seen 8 May 2026). Prices may have changed since.
The all-time low we recorded was $1.43 on 12 Feb 2026.
Prices last updated 8 May 2026.
Uni-Ball Signo UMR-1 Gel Pen Refill - 0.38 mm - Red
The refill has a rounded nib designed to reduce friction with the writing surface. It is compatible with Uni-ball Signo UM-151 0.38 mm Gel Pen.
The refill has a rounded nib designed to reduce friction with the writing surface. It is compatible with Uni-ball Signo UM-151 0.38 mm Gel Pen.
Last updated at 08/05/2026 07:08:40
uni-ball Signo DX UM-151 Gel Pen & Refill (0.5 / 0.38mm), Refill - Red / 0.38mm
Delivery $7.54
Uni-ball Signo UMR-1 Gel Pen Refill - 0.38 mm, Red
Delivery between 14–22 May $6.85
Uni-ball Signo UMR-1 Gel Pen Refill - 0.38 mm Red
Delivery $28.13
Uni-ball Signo UM-151 Gel Ink Rollerball Refill
Delivery $5.62
| Diameter - Max | 5.2 mm |
| Ink Color | Red |
| Ink Composition | Pigment-Based |
| Quantity in Pack | 1 |
| Size - Length | 11.8 cm / 4.6 inches |
uni-ball Signo DX UM-151 Gel Pen & Refill (0.5 / 0.38mm), Refill - Red / 0.38mm
Delivery $7.54
Uni-ball Signo UMR-1 Gel Pen Refill - 0.38 mm, Red
Delivery between 14–22 May $6.85
Uni-ball Signo UMR-1 Gel Pen Refill - 0.38 mm Red
Delivery $28.13
Uni-ball Signo UM-151 Gel Ink Rollerball Refill
Delivery $5.62
| Diameter - Max | 5.2 mm |
| Ink Color | Red |
| Ink Composition | Pigment-Based |
| Quantity in Pack | 1 |
| Size - Length | 11.8 cm / 4.6 inches |