non-greasy application

Recommended media: Watercolor

which keeps it from rolling off a slanted drafting table and gives a stable grip when working alongside a ruler or template

What is the practical difference between the K-60 and K-63

so the line stays consistent for the life of the marker rather than fading

pentel energel lrn5 needle point refill 0 5 mm 3 pack Dart non-greasy applicationPack of 3 Pentel EnerGel gel ink refills in the same color. Available in black, red, and blue. The refill cartridge has a 0. 5mm ball diameter with 0. 25mm line width. LRN5 refills work with all refillable Pentel EnerGel pens, including the Pentel EnerGel BLN75 Needle Point Rollerball Pen 0. 5mm. EnerGel ink flows smooth and dries fast for clean writing without smudging.