New and unused. Auto Multifunction Pen Bloom 3-in-1 Denim Blue MF-25B3-BL Three functions in this slim design. Ultra-slim x Multifunction Pen x Solid feel. [Features] Special mechanism where the pen extends when you knock with the indicator facing up. [Size] Total length 136 x Shaft diameter 8.4 x Maximum diameter 12mm [Weight] 19.2g [Materials] Body, Knock cover: Brass Clip: SK material Knock release button: POM [Refills] R-4C7NP Black (0.7mm), R-4C7NP Red (0.7mm) [Country of Origin] Japan [Product Details] - A 3-function multifunction ballpoint pen with two oil-based ballpoint pens and a mechanical pencil. - Both oil-based ballpoint pens have a ball diameter of 0.7. Ink colors are black and red. Mechanical pencil lead is 0.5. - Total length 136mm, shaft diameter 8.4mm, maximum diameter 12mm, weight 19.2g. - Features include a slim barrel with three functions, a short body, and a lightweight metal barrel. - The oil-based ballpoint pens combine a needle-point tip with smooth soft ink, providing a writing experience that is not too slippery and offers moderate smoothness without causing writing stress. - Up to 2 mechanical pencil leads can be stored; storing 3 or more may cause lead jams and lead to knocking failure. - Knock to extend the desired ink or mechanical pencil mechanism by holding the corresponding indicator on the body facing up. - Knocking again after extending the mechanical pencil mechanism will extend the lead. - To retract, press the clip button. - Be careful, as clipping thick items to the clip may cause it to become loose. - Knocking with the indicator between ink options facing up can cause malfunction, so always knock with a specific indicator facing up.