Fits: T-Maxx 3.3, Nitro Revo (all versions), E-Maxx Brushless, E-Maxx (2nd generation), E-Revo Brushless, E-Revo. Does not fit: T-Maxx Classic, E-Maxx (first generation), Summit, E-Revo VXL Brushless, Maxx. The dogbone is with more turning power and more sturdy use.High reliability, ensuring smooth mission. The Steel Constant Velocity Driveshafts made from harden steel for greater strength and stable driving performance.Tough steel for long-lasting durability and low wear. Design to handle the extra horsepower and articulation that a for Traxxas truck can deliver.Steel #45 drive shaft, navy blue silicone boots,provide good apperance. Tool Supplies:Assembly Category RC Parts & Accs:Servo Accessories Use:Vehicles & Remote Control Toys Technical parameters:Value 2 Remote Control Peripherals/Devices:Receivers For Vehicle Type:Cars Four-wheel Drive Attributes:Assemblage Wheelbase:Screws color:Silver Material:Stainless steel Package Contents: 4 x Drive Shaft 1 x Mounting Accessories Set 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.