A professional quality six point deep impact socket for both commercial or occasional use. Manufactured from Chrome Molybdenum Steel (Cr-Mo) and hardened and tempered to HRC 44-48 for increased durability and longevity. Black phosphate finish for greater corrosion resistance for protection. Laser etched size on the body for easy identification. 3/4″ drive with a total length of 78mm. Outside diameter of the socket end is 45mm and the outside diameter of the drive end is 41mm.