![Amazon.com: Uni-ball Signo Standard Gel Ink Ballpoint Pen UM-100 (UM100.64), Blue Black, 0.5mm, 6 pens per Pack (Japan Import) [Komainu-Dou Original Package] : Office Products Amazon.com: Uni-ball Signo Standard Gel Ink Ballpoint Pen UM-100 (UM100.64), Blue Black, 0.5mm, 6 pens per Pack (Japan Import) [Komainu-Dou Original Package] : Office Products](https://m.media-amazon.com/images/I/81wB5iWHSdL.jpg)
Amazon.com: Uni-ball Signo Standard Gel Ink Ballpoint Pen UM-100 (UM100.64), Blue Black, 0.5mm, 6 pens per Pack (Japan Import) [Komainu-Dou Original Package] : Office Products
![Uni-ball Signo – UM 100 – Special colors – Transparent Body Cap open Type gel pen Model: 11231 - YouTube Uni-ball Signo – UM 100 – Special colors – Transparent Body Cap open Type gel pen Model: 11231 - YouTube](https://i.ytimg.com/vi/tVmTDkhmhGc/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLCbwn41MG07yw_RCvLNB3zKDuaQ0g)
Uni-ball Signo – UM 100 – Special colors – Transparent Body Cap open Type gel pen Model: 11231 - YouTube
![1pcs Uni-ball Signo Dx Gel Ink Pen 0.5 mm Refill UMR-5 for Um-100 Uni Mitsubishi Pen Black/Blue/Red 1 Piece - AliExpress 1pcs Uni-ball Signo Dx Gel Ink Pen 0.5 mm Refill UMR-5 for Um-100 Uni Mitsubishi Pen Black/Blue/Red 1 Piece - AliExpress](https://ae01.alicdn.com/kf/HTB1jXmoM3DqK1RjSZSyq6yxEVXaD/1pcs-Uni-ball-Signo-Dx-Gel-Ink-Pen-0-5-mm-Refill-UMR-5-for-Um.jpg)