EKLOEN Solid Brass EDC Pocket Pen, Portable Delicate Signature Pen Ballpoint Pen Length: 5.5 inch, Weight: 2.7 ounce Solid brass made, strong and unbreakable. Scrub surface,precise cutting craft. Carefully polished.Plating surface without any other treatment. Due to the characteristics of copper,with the use of the use of time,its surface will gradually oxidized to form a unique retro charm.