Made of High Quality Metal, Stronger And More Suitable for 144001 1/14 4WD RC Car Tool Supplies:Assembly Category Upgrade Parts/Accessories:Bearing RC Parts & Accs:Servo Accessories Use:Vehicles & Remote Control Toys Model Number:144001-1296 Remote Control Peripherals/Devices:Receivers For Vehicle Type:Cars Four-wheel Drive :Assemblage Wheelbase:Screws colour:Silver material:metal Package Contents: 4*bearing 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.