D.120-16)-3/8" Drv Drain Plug Bit Socket-XZN 16mm TR Torx (Vag)
NEW VW / Audi / Porsche Oil Drain Plug Wrench Tool 16mm XZN Tamper x 19mm # 8764 | eBay
Audi VW Triple Square Bit Socket (16mm) - CTA Manufacturing 2039 | FCP Euro
Amazon.com: Performance Tool W80682 Tamper Proof Transaxle Drain Plug Socket, Fits VW Vehicles, Not for Impact Use, Durable and Easy to Use : Automotive
Audi VW Oil Drain Plug Wrench 16mm - CTA Manufacturing 8764 | FCP Euro