Feature: 1. Applicable Model: This differential cup is applicable for ZD Racing 1/7 MX 07 RC cars, please confirm the model before use. 2. More Powerful: This metal differential cup is made of premium steel, durable, more powerful, and better control your remote control car. 3. Friction Reduction: This joint cup can minimize the clearance and friction, making CVD rotation more stable and reaching the highest level. 4. Stable: Accurate size, providing balanced driving, making the differential cup connection transmission more stable and powerful. 5. Improve Driving Force: The more efficient power transmission system provides more stable driving and improves the driving force of the RC car. 6. Simple Installation: Reasonable design, convenient installation and disassembly, direct replacement of damaged parts, and higher strength. Specification: Item Type: RC Differential Joint Cup Material: Steel Gross Weight: 28g / 1.0oz Color: Black Type: RC Accessories Product Size: Approx.31 x 13mm / 1.2 x 0.5in Applicable: for ZD Racing MX 07 1/7 RC car. Package List: 2 x RC Differential Cup Note: 1. Due to manual measurement, 1‑3mm error is allowed, thank you!2. Due to the difference between different monitors, the picture may not reflect the actual color of the project.