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