Yiguo 4pcs Aluminum RC Front Rear Lower Suspension Arm for 1/18 WL A949 A959 A969 A979 K929 Blue Material: Aluminum Alloy Part No: A580019/A580020 Suitable for WL toys 1/18 A949 A959 A969 A979 K929 Package Content: 2pcs Front Lower Suspension Arm + 2pcs Rear Lower Suspension Arm Strong metal alloy for maximum performance.