I did this project when I was about 15 years old, but it still remains one of my favorites. This is a screwdriver made of two parts: an aluminum handle and a tip made of high-carbon steel. The handle was made of a length-cut extruded hexagon and sharpened on a central lathe. The high-carbon steel end was heated to a cherry-red color, flattened on an anvil, tempered, and then leveled with a band saw.