3/8" Drive x E7 External Star Socket

Features * 6-lobe geometry designed for a high-torque fit with E-Star fasteners * Large, clear die-stamped size marking is easy to read and can't wear off * Polished, chrome-plated finish easily wipes clean and is highly resistant to corrosion * Four detent grooves provide a secure connection with the drive tool and a drilled through-hole allows locking on with retaining pin * Beveled inner rim of the socket opening helps guide it smoothly onto fasteners