●For groove nuts on low-floor buses with SF portal axle AV132 such as Mercedes-Benz Citaro Bus, MAN City-Line, Neoplan, K?ssbohrer and other vehicles with identical axle. ●Suitable for hand and impact wrench operation. ●Designed for high tightening and release torques ●With 6 teeth for groove nuts ●Drive tube diameter: 35 mm