Four-wheel Drive :Assemblage For Vehicle Type:Cars Use:Vehicles & Remote Control Toys RC Parts & Accs:Driving Shaft Upgrade Parts/Accessories:Driving Shaft and high quality! All telescopic transmission shaft, transmission shaft has a of specifications can be . The center diameter of the transmission shaft is 6 mm Integrated molding, spline design, transmission without jitter, of authenticity. For example, the 3*3 drive shaft indicates that both ends of the universal joint bore diameter is 3MM, and the length of the joint can be expanded between 40-50mm Suitable: for 1/16 Rc Car, 1/24 Rc Car and all toy 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 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.