riding on Pilot's BRFN-10 refill system

They're inexpensive

both great for adults and children

The color selection is broad rather than portrait-focused

Universally enhances colored pencils

caran dache technograph 777 pencil Lex riding on Pilot's BRFN-10 refillThe Caran d'Ache Technograph 777 is a Swiss fine art and technical drafting pencil instantly recognizable by its yellow lacquered hexagonal body and silver stamped branding. Built around premium extra refined Swiss graphite mixed with minimal binding agents, the core is engineered for uniform tone delivery, full resistance to internal fracturing, and clean, predictable line output across all twelve available grades. The straight grained incense cedar