Hello, The piece at top is approx. 13" long, and the part that I am going to call the handle appears to be cast aluminum, or a pot metal. The blades? are steel, good cutting edges, one rounded, the other at a 90 degree angle. No markings, well made, blade assembly look to be replaceable. The piece at bottom is cast aluminum or pot metal, clamp mounts to bench. Pin? spike? rotates 360 degrees in the base, at the approx. angle shown, or can be locked in to vertical. Well made, no markings, had to buy it for the Mickey Mouse wing nut!!!!!!!! Regards, Lou