For Traxxas TRX-4 Metal Fittings Car Simulation Climbing Aluminum Alloy Lock Control System BracketGood workmanship and excellent style. Easy to install and durable to use. High wear resistance and excellent durability.100% Brand new and high quality. Name: for Traxxas TRX-4 Aluminum Alloy Differential Control System BracketMaterial: Aluminum Alloy Type: Modified and Upgraded AccessoriesColor: Red/Silver/BlackPackage Contents: 1 x RC Car Differential Lock with ScrewOnly the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.