Dual  tip
Extra fine, fine and medium nibs available 
Line width bullet nib:2-3mm
Line width Medium nib:1.2mm
Line width fine nib:0.8mm
Line width  untra fine nib:0.5mm
Ink weight:2.2g
Writing length: 150-200m
Shelf life: 1 years
Ink country of origin: China 
Logo printing Max size: 50*32mm
Marker  Size:  13.9 *1.2*1.5cm
Marker  Weight: 10g