Pentel BK420 Colors Retractable ballpoint pens Black ink Medium point (4-pack) Pentel Colors 1.0MM Retractable ballpoint pens with Black ink ; Medium point ;includes 4 pens in a pack unique clip retraction: simply click pen to advance tip, press clip to retract convenient notebook clip;stylish, transparant barrel colors soft , latex-free grip. retractable tip protects pockets and purses