Tool Sharpener:

What good would a carpenter's tools be if they weren't sharp? This is the sharpener that the carpenter would have used to keep all his tools sharp and in top working order. A carpenter's art is incredibly precise, if his tools weren't up to scratch, he would not have been able to work. Therefore, the sharpener would have been one of the most important tools at his disposal. The carpenter would have kept it in the best condition possible.