'5/16 "Bit XZN M5, 30 mm Lang

All our efforts have made us one of the largest internationally active tool manufacturers with customers in over 135 countries around the world to this day This construction is far superior in both strength and compliance with exact torque length All SK interchangeable heads are made from a single piece of alloy steel, Weight: 0.0220462262 pounds, Manufacturer: KS-Tools Werkzeuge-Maschine