Rotring Tikky Soft Grip 0.5 mm Mechanical Pencil Drafting (Yellow) Soft grip for the best sketching, drawing and writing comfort. Hi-Polymer leads ensuring high flexibility and durability Color coding analogous to ISO 3098 display the available line widths at a glance. 0.5 mm line widths. line width : 0.5 mm / Metal Clip / Eraser Under Cap white, brown, black, Brown, blue, red, Mustard, yellow, Light green, Light brown