LEXIVON XZN Triple Square Spline Bit Socket Set, Extra Long 4-Inch | 10-Piece European Style M4 - M18, Premium S2 Alloy Steel | Enhanced Storage Case (LX-145L)Extended Reach Our extra long Triple Square Bit Socket Set is a must have when you work in hard to reach areas. Ideal for European vehicles, including BMW, Mercedes Benz, Volkswagen, Audi, and Porsche. Superior Engineering: CNC Machined Bits made of premium S2 alloy steel and hardened treated Chrome Vanadium steel sockets, delivering a secure fit and enhanced turning power to get the job done. Longevity & Active Protection: Our sockets, with their