This pen has a stainless-steel tip with a 1.0 mm carbide ball & plastic barrel. – The pen ensures a continuous write with the same thickness till the last drop of the ink, it gives a smooth & delightful writing experience. – These writing instruments are perfect gifts for the guest book table at conventions, parties & so much more. These pens are suitable for school, office & home. Ideal for writing, journaling, note-taking, underlining, sketching & more.