Professional spline bit socket for commercial or occasional use M12 impacted spline bit socket 1/2in drive spline bit 1/2in drive so will fit any 1/2in drive ratchet, extension, power bar etc... Deep spline bit so perfect for access in hard to reach / restricted areas Male spline socket Manufactured from CR-mo steel for maximum strength and durability Impacted so suitable for use with high torque tools such as impact guns etc... SPECIFICATIONS • Spline bit socket • M12 male spline bit • 1/2in drive • Impacted • Total length – 78mm