Handbook quantity: LOS234003This item includes :Tie Rod-2pcsStainless Steel Round Head Screw 4x25-2pcsStainless metal Round Head Screw 4x30-2pcsStainless metal Lock Nuts 4mm-4pcsProduct major function & use:Support and support the rear chassis1. Your body from the tie pole is manufactured by a light fat high tensile power aluminum 6061 T6, ball ends are produced by POM for better strength and durability.2. Adjustable design using clockwise and counterclockwise threads.