Non-Dry Technology(Pat.)

[ Specification ]
Item: C-307(0.7mm)  ISO 14145 standard
Name: CERAMIC ROLLER REFILL
Writing ball: SiC Ceramic Ball
Ink: Water-based Roller Ink
Available color: Black
Size: Full length: 111.5mm, Diameter: 6.2mm
Weight: 5.3g
Material: Brass 
Spare refill: OHTO CERAMIC ROLLER PEN series
Packaging type: Pipe/Cerise