Thank you for viewing. This is a Sakura mechanical pencil, the Rolleta, 0.5mm, with a brown barrel. This product is from Sakura Cray-Pas, which currently produces the Craft Lab series. The grip is made of resin, and the upper part is made of metal, possibly aluminum. It has a guide pipe like those used for drafting, providing a clear view. As it's for drafting, it's equipped with a cleaner pin for the eraser. The eraser is unused. Operation has been confirmed. SAKURA ROLLETA Model number RS500 #17 Color: Brown *This is a 0.5mm mechanical pencil. Please be careful not to make a mistake. #Shiro'sStationery We also offer combined sales. Thank you for your understanding. Type...Mechanical pencil body Lead/Darkness...HB