An adze blade in very dark grey stone with an asymmetrical outline and an asymmetrical quadrangular cross-section. The butt is undifferentiated. The surface is polished. The bevel is convex, and the chin indistinct towards one side, with a small facet. The cutting edge is curved. The front profile is slightly convex, the back straight.
The cutting edge is sharp. The poll is broken off obliquely.