This method includes :Wheel Hex 2pcsWheel Lock 2pcsM4x2.5x15 Screw Pin 2pcsProduct major functions & usage:1. Connecting the CVD towards tires to get the ability and lead a smooth drive.2. Lock and support the wheel tightly.Major shows of upgrading towards part/product:1. Produced from a light item high tensile energy aluminum 6061 T6 for great sturdiness.2. Initial level is 4.5mm, this component is upgraded to 10.5mm for wider wheel track to help you run effortlessly and a lot more stable.3. The hex are manufactured to claw in tires tightly and securely.4. Original capped design to prevent sand and dirt through drive.5. Original knurling procedure towards interior component for tight locking.