Mechanical pencil for writingErgonomic triangular shape for relaxed and easy writingNon-slip rubber grip zoneMetal clip, push-button and tipPocket-safe thanks to retractable lead sleeveLead sleeve slides back while writing - additional lead protectionTwist eraser, PVC and latex-freeEasily to refiil with "12-a-go" Mars micro carbon mechanical pencil leads 250 (except for 1.3 mm)B leadsUp to 3 line widths