Maximum Writing length: 2800meter 

[ Specification ]
Item: PS-107NP ISO 12757 standard G2 type
Name: OHTO SOFT 0.7
Writing ball: Tungsten Carbide
Ink: Soft
Color: Black
Size: Full length: 98.4mm, Diameter: 5.8mm
Weight: 1.9g
Material: PP
Spare refill: GS01-S7