STAEDTLER REG Drafting Pencil with Adjustable Lead, 0.3mm

The regulator (knock amount adjustment function) allows you to adjust the lead feed amount with one knock to your desired amount between 0.1 and 2.0 mm. In addition, the special knurled grip provides a familiar feel that you will feel after using it for many years. Ages: 12 and up Material: [Body] Aluminum