Thank you for viewing. This is a set of 2 Pentel pens: A21 (0.5mm) and B21 (oil-based/F refill). Item: Mechanical pencil/Ballpoint pen Type: Mechanical pencil body/Ballpoint pen Ink/Darkness: Oil-based Body material: Metal Other features: Bundle sale These are discontinued mechanical pencil and ballpoint pen made by Pentel. They have a sophisticated design reminiscent of Caran d'Ache, with a pen tip and mirror finish that give them a luxurious feel. The A21 is a knock-type mechanical pencil, while the B21 is a twist-type ballpoint pen. They can be used without any problems at the moment, but the B21 uses a refill with the model number KFL8-A, which is also a discontinued product of the same company, so please use compatible products or stock items when replacing the refill. *Please refrain from purchasing if you are nervous about the condition, as they have been stored at home. *There may be small stains or scratches due to aging. *The outer box may have discoloration, stains, or tears. *Please judge the condition from the photos and purchase only if you are satisfied. *All accessories are shown in the photos. AA