Eze-Lap Diamond Shapener Pen Style - D Shaped Shaft Stores in a pen type cap. Clips to pocket, pouch or backpack for easy access in field & workshop. Suitable for fishing knives, pocket knives, multi-tools, hooks, darts, needles, points, jewellery making. Features Fine Grit Great for general purpose use Pen Lid Protects Diamond Surface when closed Groove For sharpening fish hooks Pen Clip Clips to your pocket, pouch or backpack