CNC Machined. Advanced internal spline Industrial Grade Stainless Steel -Joint for super operation Direct fit, no modification needed Works with most trucks and transmissions, designed to allow more rotation and strength. Each Weight: 75g / 2.65oz (138-213mm) Universal Joint Diameter: 12mm / 0.47in Shaft Body Diameter: 10mm / 0.39in Hole size: 4.8mm / 0.19in Driveshaft Pin 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: Four-wheel Drive :Assemblage Wheelbase:Screws color:Silver :Stainless steel Package Contents: 2 x Stainless Steel Drive Shaft 4 x Driveshaft Pin 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.