[Brass Material]This 1/18 transmission mount is made of brass material, ensuring max durability and long service time. [Heavy Duty]this gearbox mount for TRX4M provides a lower center of , helps to improve rear traction and stability. [ Style]Solid design, not require additional armor, this center gearbox base directly provides protection for the gearbox. [Fashion Appearance]The appearance is more fashionable than the regular gearbox mount, adding some to your model. [Compatible With]The Gearbox Base set is suitable for TRX4M 1/18 RC crawler car. Colour:Black Material:Brass Package Contents: 1x Center Gearbox Base Only the above package content, other products are not included. Note: Light reflection 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.