Version:
Drop forged; with reinforced ring, therefore exceptionally strong; jaw widths to exact tolerances. 10° angled heads.
With oval, easy grip shaft, very strong. Up to size 12×14 mm with hexagon ring - size 14×17 mm and above with bi-hexagon.
Standard:
DIN 3118 / ISO 3318
Material:
Chrome vanadium steel, chrome-plated.