Feature: 1. Steel Material: RC car drive shaft and differential cups are made of high strength steel material, it is rust proof, wear resistant, stronger to use, and better control your rc car. 2. Withstand Greater Forces: The 6mm thickened transmission shaft and the 4mm thicker pin can withstand greater force and improve the performance of the remote control car. 3. Improve Performance: Improve the driving force of the RC car, run for higher performance and more efficient power transmission system. 4. Efficient Drivetrain: A more efficient drivetrain provides a smoother ride with smoother and more powerful driveshaft transmission. 5. Easy to Install and Disassemble: The original plastic parts or damaged parts can be directly replaced to obtain higher strength. Specification: Item Type: RC Car Drive Shaft and Differential Cups Material: Steel Color: Black Weight: Approx. 151g / 5.3oz Differential Cup Size: Approx. 38x17x14mm / 1.5x0.7x0.6in Overall Length of Drive Shaft: Approx. 192mm / 7.6in Drive Shaft Hole to Hole Length: Approx. 182mm / 7.2in Ball Head Diameter: Approx. 10mm / 0.4in Shaft Diameter: Approx. 6mm / 0.24in Pin Length: Approx. 18mm / 0.7in Pin Diameter: Approx. 4mm / 0.16in Application: for ARRMA 1/5 Outcast Kraton 8s. Package List: 2 x CVD Drive Shafts2 x Differential Cup Note: 1. Please allow 1‑3mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.