The Traxxas Differential Locker is an essential accessory for RC car enthusiasts, specifically designed for the Summit 1/16 model. This product enhances traction and control by locking the differential, which is particularly beneficial in challenging terrain conditions. The Differential Locker is offered in a convenient package of two pieces, allowing for easy installation and replacement of worn parts. Made from durable plastic, this accessory provides a long-lasting solution for the challenges of RC driving. The black color adds an appealing look that seamlessly integrates into the vehicle's design. This replacement part is a must-have for anyone looking to optimize the performance and handling of their Traxxas Summit 1/16. The Differential Locker is not only functional but also easy to handle, making it an ideal choice for both experienced drivers and beginners.