Angle key wrench set, short, hexagon socket with ball head, inch as unit, 10 parts. Supplied = assembled. Material = special tool steel. Finish = matt chrome plated. Conforms to = DIN ISO 2936. Feature = fully hardened. Model = hex socket with ball head. Number of parts = 10 pcs. Unit of measurement for hex key = imperial units. Product type = hex keys. Imperial units. Short model. DIN ISO 2936. Fully hardened. In a sturdy folding holder. Special tool steel, matt chrome plated. Ideally suited for screws that are difficult to reach.