Metal Differential Gear for Wltoys A949 A959-B A979-B K929 A969-A RC Car Upgrade Accessaries 16PCS

Description

Powder alloy material, will occasionally have rust spots surface. The hardness is more than 4 times than aluminum alloy. Suitable for: WLtoys A959-A A969-A A979-A K929-A A949 A959 A969 A979 K929 A959-B A969-B A979-B K929-B RC Car.