The Nash Pinpoint Hook Doctor makes the time and labour intensive work of hook sharpening a thing of the past. Simply applying gentle pressure on the hook when in contact the Carborundum 180 grade polishing stone as it rotates will give you professional grade points in just a few seconds. The Hook Doctor has a USB rechargeable battery and works both clockwise and anti clockwise, so whatever your dominant hand, or technique, sharpening hooks could not be easier.