Features:Brand new and high quality.It is a good gift for your lover, family, friends and coworkers.Suitable for all Roller Ball Pen.Gives you a fluent writing.The design is simple and gives a good visual effect.You will be satisfied to get this product which has a nice design.Material: MetalColor: blue, blackWire width: 0.5mmPackage: 10pcsNote:- Please refer to the measurement. Tiny measuring error is allowable in normal range.- There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.