uni gel ink ballpoint pen Signo refill for cap type 0.28 black PP bag Mitsubishi pencil 4902778745687 (10 sets)

Features:
Refill for ultra-fine gel ink ballpoint pen UM-158-28.

Product specifications:
◆Ball diameter: 0.28mm ◆Tip with check ball for backflow prevention

◆Body size: Shaft diameter φ6.0 x length 119mm Body: UM-151-28









Black shaft φ6. 0 × length 119 mm ultra fine gelinkballpen UM-158-28 for holder. ? Balls diameter: 0. 28 mm ? backflow prevention for reverse stop ball into chip unit:UM-151-28