From Amazon
Wera 8767 C HF TORX® Zyklop holding function bit socket, 1/2" drive, TX 30x60mm, 05003833001
Conrad Electronic
Wera 8767 C HF 5003833001 Star Bits T 30 1/2 (12.5 mm)
Rapid Online
Wera 05003833001 8767 C HF Zyklop TORX HF Screw Hold Socket 1/2in ...