Ergonomic triangular-barrelled Triplus rollerball is easy to hold for effortless fatigue-free writing.
Metal tip gives approx 0.3mm line width.
Water-based ink is Dry Safe - can be left uncapped for days without drying up (test ISO 554).
Pack contains one each of black, blue, red, green, light blue, light green, yellow, brown, pink and orange.
Superbly-designed Staedtler stand-up box is practical and useful