Opis
- For 6.3 mm (1/4″) square drive and tightening torques up to 25 Nm: Gr. 2 – 6 mm
- For 12.5 mm (1/2″) square drive and tightening torques from 25 to 210 Nm: Gr. 6 – 14 mm short version 55 mm and Gr. 5 – 12 mm long version 100 mm.
Material – Chromium-vanadium steel