Version:
Drop-forged. With close tolerance jaw widths.
STAHLWILLE − With easy-grip fluted shaft. Optimum flexional resistance, good torque transmission. Thin, flat rings for use in restricted places. With AS-Drive profile.
Standard:
DIN 837 B / ISO 3318
Material:
STAHLWILLE − Chrome alloy steel; non-flaking chrome-plated over nickel; smoothed finish surface.