Mechanical Pencil Pentel OrenzOrenz 1 Click Mechanical Pencils Orenz mechanical pencils feature a unique anti breaking lead system click once to extend lead and keep writing until Super Sliding Sleeve retracts fully into barrel. Click only once to extend the unique Super Sliding Sleeve and keep writing until the sleeve fully retracts. Lead should not extend past the metal tip it will write without you actually seeing the lead. Unique Super Sliding Sleeve prevents lead from