This lock nut socket with 6 grooves is specifically designed for MAN front axle V9-82l-01. For MAN, ERF & Neoplan truck front axle nuts (with disc brakes and ABS).3/4" drive, 60mm Hex drive. 100mm max ID (92mm spline-spline) 15mm deep; spline: 4 x 7mm. Designed to fit the following OEM axle nuts: MAN 64.90620.0001, 81.90620.0086, 81.90620.0110 & FEBI 19184.