ISO 3315 DIN 3122 UNE 16512, 12 "DIN 3120 ISO 1174-2, nickel-plated and chrome-plated, high-gloss polished surfaces without sharp points, Vanadium Extra, precision-forged and heat-treated, 80 teeth, swivel angle 4.5 °, exceeds the torque requirements of ISO and ASME, With a comfortable 2-component handle, non-slip and with a larger grip width