Professional tool for commercial or occasional use Spline Bit socket Male spline socket Impacted spline bit for added strength and durability Manufactured from chrome vanadium steel for strength and durability Extra-long for access into restricted hard to reach areas Total length 78mm M18 impact spline bit 1/2" Drive so suitable for use with any 1/2" drive ratchet / extension / power bar For use on rear wheel bearing assemblies on Golf / Jetta and other MK4 chassis vehicles