Easy to open with one hand.
You can open the cap without getting your hands dirty! Convenient thick and thin twin type.
Cartridge type for easy refilling and cost savings! Line width: flat tip/4.0mm, round tip/1.0-1.3mm
Pen tip: Fine and thick square tip
Ink color: Yellow
Ink type: Water-based pigment ink
Ink method: Filling type
Material: Recycled materials
Type: Twin
Specifications: Refill type
Cartridge: Fluorescent Optex 1 and 2 cartridge (product number: RWK8)
