Pentel Smash Q1005 - 0.5mm. Released in 1987, Pentel Smash has been an iconic and popular mechanical pencil among students in Japan. The tip and grip is made of one piece, with a slight weight near the tip of the pen. The grip features pronounced squared rubbers that allow a more comfortable and secure hold. The pencil is designed with durability in mind. When it was first released, it was advertised to be able to withstand 10000 clicks.