Feature: 1. Steel Material: The RC diff outdrives are made of premium steel material, which is durable, more powerful, and you can better control your remote control car. 2. Reduce Clearance and Friction: This RC drive cup can minimize the clearance and friction to make CVD rotation more stable and attain the highest level. 3. Efficient Power Transmission System: The diff outdrive has a more efficient power transmission system to provide more stable driving and improve the driving force of the remote control car. 4. Accurate Size: The RC differential cup is accurate in size, can provide balanced driving, and makes the differential cup transfer more stable and powerful. 5. Convenient Installation: This RC steel diff outdrive has reasonable design, which is convenient to install and disassemble, and can directly replace damaged parts to obtain higher strength. Specification: Item Type: RC diff outdrive Material: Steel Weight: Approx. 20g/0.7oz Product Size: 32x12.5mm/1.3x0.5in Shaft Diameter: 5mm/0.2in Applicable: Fit for ARRMA 1/7, 1/8 series RC cars. Package List: 2 x RC Diff Outdrive Note: 1. Due to manual measurement, 1‑3mm error is allowed. Thank you!2. Due to the difference between different displays, the picture may not reflect the actual color of the item.