Feature: 1. Suitable Model: Ideal replacement for the original old or damaged part, suitable for Arrma 1/8 RC Model, such as for Karton, for Senton, for Outcast, for Typhon, for Talion and so on. 2. Aluminum Material: The center diff lock spool is made of sturdy and durable aluminum alloy material to ensure maximum strength and durability, so it can be used for a long time. 3. Easy to Install: Manufactured with accurate size and shape, also come with fixing screws for simple installation and replacement, can replace the original part for better strength. 4. High Efficiency: After the aluminum center diff lock spool installed, the overall performance of your RC car will be greatly improved, suitable for long term use. 5. No Burden: Aluminum material makes the center differential spool have a light weight of 13g/0.5oz, will not increase the burden or cause additional energy waste. Specification: Item Type: Center Diff Lock Spool Material: Aluminum Alloy Color: Black Application: for Arrma 1/8 RC Model, such as for Karton, for Senton, for Outcast, for Typhon, for Talion and so on Gross Weight: Approx.13g/0.5oz. Package List: 1 x Center Diff Lock Spool3 x Rubber Ring3 x Screw