Weight: 290 g/m² (140 lb)

All of the pens are filled with black pigment ink which is permanent

fluid script

Thread-locked quick-screw installation with zero leakage

the lines from these markers turn into different colors as you draw or write

viking rollo jumbo hb artist graphite pencil Boner Weight: 290 g/m² (140 lb)The Rollo Jumbo scales up the standard Rollo pencil into a thicker 8. 2 mm hexagonal barrel, built around a broader HB graphite core than a standard writing pencil uses. That extra width gives a smoother, more ink like glide across the page and naturally produces a bolder line, which suits expressive freehand sketching or large scale value shading where a thin standard pencil would take far more passes to fill the same area. The thicker barrel also