Telescopic tube to safely store or transport your pen. The tube is equipped with a twist and click system which makes it extra secure.
The inner tube is 20mm thick. (0.787 inch)
Fully closed, the length is 125mm (4.92 inch) and at its longest it is 225mm (8.86 inch). You can connect the tube so well with the length of your pen, so that it sits firmly in the tube.