This product is a genuine Traxxas 20 million weight differential oil designed to provide maximum traction and limited differential action in high-performance applications. The ultra-thick silicone formula helps reduce internal differential slip, improving straight-line stability and power delivery. It is ideal for tuning handling characteristics in off-road and high-power setups. It serves as a premium differential fluid for compatible Traxxas models, delivering consistent viscosity and long-lasting performance under extreme conditions.