Neiko Pro 01143B 1/2" Drive XZN Triple Square Spline Driver Impact Socket Set, Cr-Mo Steel | Metric (M5 - M16) | 8 Piece Set For tamper-proof lug nuts, cylinder head bolts, and other engine bolts on European cars like BMW, Mercedes, VW, Audi, and Porsche Made of durable Chromium-Molybdenum Alloy Steel (Cr-Mo) that can handle the extreme shock of high torque impact drivers Longer length XZN drivers are designed to reach deep recessed bolt heads in difficult locations Triple Square Spline driver sockets include M5, M6, M8, M9, M10, M12, M14, M16 Set includes a hard plastic blow-molded carrying case for organization and storage FOR UNCOMMON FASTENERS: 8-piece set of spline sockets for tamper-proof lug nuts, cylinder head bolts, and other engine bolts A MUST-HAVE SET FOR VW OWNERS: Spline set includes 1/2-inch drives to remove the head, change the CV axles, and change the clutch and flywheel HANDLES HIGH TORQUE: Made of Chromium-Molybdenum Alloy Steel (CrMo) A COMPLETE SET: Triple Square Spline driver sockets include M5, M6, M8, M9, M10, M12, M14, M16 BLOW-MOLDED STORAGE BOX: This set comes with a sturdy plastic blown molded box for safe storage and portability