Despite their apparent dissonance

one for standard pencils (8 mm) and a wider one for thicker pencils (11 mm)

Vapour Trails

plus 2 metallics and 2 fluorescents)

surface indentation

caran dache chromatics ink refill cartridge Caran d'Ache Chromatics:Magnetic Blue Despite their apparent dissonanceCaran d'Ache Chromatics "INKredible" collection transforms handwriting into elegant color expression. 12 vibrant colors formulated for unparalleled flow, swift drying, and mesmerizing depth. Incredible color saturation glides effortlessly through fountain pen feeds without clogging. Non toxic, water based ink with highly saturated pigment distribution and smooth flow lubricants. International standard short cartridge size universally fits all standard