Plinrise CS-001 Diamonds Tip Colored Gel Ink Pen,Roller Ball Point Pen,Needle Micro Tip Point 0.38MM,Pack of 8 Assorted Color (style-1 8 colors) Diamonds Tip Colored Gel Ink Pen,Roller Ball Point Pen Pack of 8 Assorted Color Pen length 14.7cm, diameter 0.85cm