The Stalogy 4Functions Multi Pen contains a mechanical pencil and 3 vivid ballpoint ink colors. The instant-dry, smudge-free ink formulation is identical to the one in their well-loved Low Viscosity Oil Based Ink Ball Point Pen. The silk-touch finish of the barrel makes for a comfortable grip for long writing and editing sessions. Just like their notebooks, this multi pen is simple, elegant, and easy to use. Ink colors: Black, Blue, Red Ballpoint pen point sizes: 0.5mm Mechanical pencil point size: 0.5mm Model number: 019 Length: 5.7 in (14.4 cm) Barrel colors: White and Black Available in 0.5mm and 0.7mm Refills: Stalogy 4Functions Multi Pen Refill – 0.5mm and 0.7mm About Stalogy: \”What should have been, is,\” is the motto of Stalogy, which is a combination of the words Stationery, Standard and Technology. Stalogy aims to create stationery with good design and function, and to improve the \”Standard\” level of stationery.