An adze blade in dark grey stone, possibly sandstone-greywacke, with a slightly asymmetrical outline and a quadrangular cross-section. The butt is undifferentiated. The surface is bruised/ ground on the back, sides and butt, the rest of the surface is polished. The bevel is convex, the chin slightly oblique. The cutting edge is also slightly oblique. The front and back profiles are convex. The cutting edge is sharp and slightly chipped.