Here is a Staedtler REG mechanical pencil, 0.5mm, 925 85-05B, in matte black. The contents are unused, only checked for condition, but the outer box has some damage. Please refer to the photos to assess the condition. Feel free to ask any questions in the comments. Thank you. Design A high-rigidity metal body and precisely adjusted body balance create a stable writing feel. A knurled grip, milled to better fit the hand. The design pursues beauty and functionality, making writing enjoyable. Attention to Detail Even small frustrations, such as the lead extending too far or not far enough with each click, or the lead tip wobbling during writing, can accumulate and cause significant stress. We have focused on minimizing such noise with a lead tip that doesn't wobble and a lead advancement mechanism that can be adjusted to your liking. Regulator Equipped By turning the gear called the regulator, located on the upper part of the clip, you can adjust the amount of lead dispensed with each click. The REG offers the enjoyment of customization to your preference. -Features & Quality- ・Stable writing feel due to the metal body and precise balance design ・Knurled grip for a non-slip and comfortable fit in the hand ・Equipped with a "regulator" that allows you to adjust the lead advancement amount per click ・Premium model that combines design and functionality -Specifications- ・Lead diameter: 0.5mm ・Body size: W140.5 x H11 x D9.5mm ・Body weight: Approximately 22.5g ・Package size: W170 x H50 x D20mm ・Package weight: Approximately 46.4g ・Material: Metal body (details not specified) ・Country of origin: Not specified ・Color / Model Number / JAN Code: Matte Black 0.5mm Limited Color / 925 85-05B / 4955414929248 -Functions- ・Adjustable lead advancement to your preference (regulator function) ・Designed to suppress vibration and lead wobble, preventing distraction ・Suitable for a wide range of uses, including work, study, drafting, and design