Features: Upgrades your vehicle 1/10 SUMMIT with this 13T hardened steel differential output gear, engineered for superior durability and extended life in high stress off road conditions. accuracy machined teeth ensure efficient power transfer and reduced energy loss, maintaining best performances during intense racing or hard terrain adventures. Perfect for enthusiasts and DIY hobbyists seeking reliable, high performances upgrades compatible with vehicle 1/10 scale models. Tackle trails and extreme environment confidently with enhances impact resistance and quiet operate for noise sensitive driving experiences. This drop in replacement gear combines hard construction with seamless suitable , delivering reliability for competitive racing and technical off road challenges. Specifications: Material: hardened steel Process: accuracy processing Size: about 14x25x30mm/0.55x0.98x1.81inch Package Includes: Pair Differential Gear note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.