Features 1、Application: Differential gear combo set fit for WLtoys 144001, 144002, 124018, 124019, 124017, 124016 and other remote control car models. 2、Package Including: A total of 16pcs gears, includes differential gear 30T, 2pcs, differential large planet gear 16T 4pcs, active gear 12T 2 pcs and differential planet gear 10T 8pcs. 3、Durable Material: Differential driving planet gears are made of powder alloy material to make the gear thick with surface antirust treatment, durable and high performance. 4、Accuracy Manufacturing: Carefully manufactured, the gears can perfectly match the original gears, and the light weight will not burden the RC car, and it is easy to install and remove. 5、Good Choice: This kit includes all the gears and driving gears of the front and rear differentials that a RC car needs, really good replacement parts in the market. Item Type: Differential Driving Gears Material: Powder Alloy Package Including: 16 gears in total Differential gear (30T) 2pcs Differential large planet gear (16T) 4pcs Active gear (12T) 2 pcs Differential Planet Gear (10T) 8pcs Application: Fit for WLtoys 144001, 144002, 124018, 124019, 124017, 124016 and other remote control car models Package List 16 x Gear