This is the optional Team Integy Alloy Servo Guard for use on the Traxxas Slash (TRAC43**). FEATURES: Alloy construction, silver in color INCLUDES: One Alloy Servo Guard REQUIRES: Installation on the vehicle SPECS: Length: 64mm (2.5") Width: 29mm (1.1") Height: 24mm (0.94") jxs 5/27/09 ir/jxs