The Pilot Lettering Calligraphy Liquid Ink Pen Range features lightfast, water-resistant pigment-based ink infrastructure. The premium polyacetal chisel tips strongly resist wearing or splitting down over extended drafting intervals. A specialized internal multiple-channel irrigation matrix completely guarantees a uniform ink flow without any messy leaking. This quick-drying formula helps artists eliminate accidental hand smudging across porous art papers. The sleek green barrel design operates cleanly as a non-refillable standalone tool. It delivers outstanding creative sharpness for formal greeting cards and graphic illustration layouts, available in 1.0, 2.0 and 3.0.