Easy to open with one hand.
You can open the cap without getting your hands dirty! Cartridge type makes refilling easy and reduces costs! Line width: Flat tip/4.0mm
Pen tip: Thick square tip
Ink color: Blue
Ink type: Water-based pigment ink
Ink method: Filling type
Material: Recycled materials
Type: Single
Specifications: Refillable
Cartridge: Fluorescent Optex 1 and 2 cartridge (product number: RWK8)
