★Stabilizers help suppress roll as your car takes negotiates corners. ★This set includes two each of 1.1mm (pink identification mark), 1.2mm (no mark) and 1.3mm (silver mark) diameter stabilizer bars. Different diameters influence chassis performance in different ways. ★Also included are 4mm and 5mm adjusters, 3x12mm screws, blue stabilizer ends and grub screws.