A professional quality long M12 (12mm) impact spline bit socket for commercial or occasional use. Manufactured by US.PRO Tools (formerly known as Bergen Tools), one of the more respected hand tool manufacturers on the market. Forged from quality Chrome Molybdenum Steel (Cr-Mo) for increased longevity and durability. It has a 1/2″ drive and total length is 78mm. Laser etched size on the body to allow easy identification. Black oxidised finish for increased resistance to corrosion.