The Zebra Expandz Ballpen is a 1.0mm nibbed ballpoint pen with an expandable & retractable barrel. This Zebra Expandz Ballpen is a convenient & compact ballpoint pen which can be easily fitted into a pocket, diary or filofax when retracted & which expands during use to a full length pen. Perfect for office, home or student use this Zebra Expandz Ballpen is supplied in a gift box. * 1.0mm Refill