This is the RDLogics Blue Aluminum Receiver Box for the Traxxas T-Maxx .15 and 2.5 trucks.  These are very strong, and they look awesome.

RDLogics parts are built with the racer in mind, and they are constructed of the highest quality materials. These are a must for high-performance vehicles and people who want the best.

Fits Traxxas T-Maxx .15 and 2.5 trucks - Does not fit trucks using Opti-Drive system