Staedtler 779 05abk25d mechanical pencils is designed for writing. It is pocket safe thanks to retractable lead sleeve. The lead sleeve itself slides back for cushioning lead for high level of break resistance. It comes with rubber grip for better grip and easy writing. For best results uses the staedtler mrs carbon leads 250.
One Graphite Mechanical Pencil 779 05, One Tube of Mars Carbon 250 05 Leads