Four-wheel Drive Attributes:Assemblage For Vehicle Type:Cars Use:Vehicles & Remote Control Toys RC Parts & Accs:Driving Shaft Upgrade Parts/Accessories:Driving Shaft 100% and ! All telescopic transmission shaft, transmission shaft has a variety of specifications can be selected. The center diameter of the transmission shaft is 6 mm Integrated molding, spline design, smooth transmission without jitter, high degree of authenticity. For example, the 3*3 drive shaft indicates that both ends of the universal joint bore diameter is 3MM, and the total length of the joint can be expanded between 40-50mm Suitable: for WPL 1/16 Rc Car, 1/24 Rc Car and all toy military trucks on the market (B-14, B-24, B-16, B-36, C-14, C-24) colour:Silver Material:metal size:Maximum :70mm minimum :50mm outer diameter: 7mm Package Contents: 2*Driving Shaft 6*screw 1*Hexagon screwdriver Only the above package content, other products are not included. Note: Light shooting 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.