Unleash Your Imagination And Be Creative! The Link-It Is The First Modular System That Cleverly Links Two Pens. Just Align The Arrows On Both Pens, Push And Click. It'S That Simple! You Get A Broad 1.0Mm Writing Line And 656 Feet Of Vibrant Color In Each Pen! The Smooth Flow Of Ink Makes Writing Effortless And Artistic. A Fully Rubberized Barrel Is Ideal For A Comfortable And A Relaxed Grip. The Triangular Barrel Makes Certain Your Pen Stays Put. Suitable For Expressive Drawing, Doodling, Journaling, Sketching, Collecting, Swapping And All Your Writing Needs. If You'Re Looking For A Bolder Pen To Add Color To All Your Pictures And Drawing, The Schneider Link-It 1.0Mm Porous Point Pen Is A Must. All Components, Including Ink, Are Made Entirely In Germany At A Facility That Is Emas Certified And Powered By Wind And Solar Energy. Schneider Link-It Pens Help Bring Your Artistic Vision To Life. This 16-Piece Set With Adjustable Stand-Up Case Includes 1 Each Of: Sapphire-Black, Romantic-Red, Lapis-Blue, Black Forest-Green, Golden-Yellow, Tango-Orange, Mahogany-Brown, Daytona-Violet, Fashion-Pink, Mineral-Blue, Apple-Green, Silver-Gray, Nautic-Green, Highland-Green, Topaz-Brown, Electric-Purple. Also Available In 0.4Mm Fine Liners (Sold Separately). 1.0Mm And 0.4Mm Pens Are Fully Interchangeable For Linking.