Usage Tips:Applicable: Anti lost lug nut socket can replace for 1 3 5 6 7 series X1 X2 X3 X4 X5 X6 Z4.Function: Hub anti lost screw sleeve is used to remove or lock the wheel anti lost screws on the vehicle.Premium Material: Special removal tool uses metal material, which is high in strength, anti deformation, sturdy and not easy to damage.High Performance: Car wheel lock lug nut, professional manufacturing, nice workmanship, high precision, stable performance and high reliability.Simple Installation: Anti lost screw remover, simple installation, no complicated operation required, easy to store and use. Specification: Material: MetalProduct Size: 4cmx3cmx3cm/1.57inchx1.18inchx1.18inch Package Includes: 1Anti Lost Lug Nut Socket Note: Please allow slightly errors 1-2cm differences due to manual measurement.