uxcell Home Bank Desk Table Black Ink 0.5mm Pen w String Joint Home Bank Desk Table Blakc Ink 0.5mm Pen with String Joint With double side tape, you can attach the Bank Table Ink Pen onto the plane surface, to fasten in a fixed place Suits for casual write, such as signature, writing telephone number or address Desk Pen with String is disposable, the string, the pen and the ink reservoir are manufactured as a single unit without any individually replaceable parts Ball size: 0.5mm in diameter; Height: 16cm