Made of High Quality Meterial, Stronger And More Durable Easy to use,Easy to replace Suitable for:HBX 16889 16889A 16890 16890A SG1601 SG1602 1/16 RC Car Material:Plastic + Metal colour:As shown Package Contents: 1 x Differential Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.