This Rotring Tikky mechanical pencil, with 0.5mm graphite, in blue, is part of Rotring's popular Tikky line, launched in 1979 and designed for both technical drawing and everyday use. The 0.5mm thickness is suitable for everyday writing and detailed note-taking. A versatile and colorful choice from the German brand Rotring for students and professionals seeking quality and durability in a compact writing instrument.