This is the Dark Soul Meaty Mount Aluminum Servo Adapter.

FEATURES: For use with Hitec HS-5745MG or Rhino Digi 4 steering servos
          Aluminum construction
          Silver in color

INCLUDES: One Aluminum Servo Adapter
          Standard 4-40 Mounting Hardware

REQUIRES: Fastening to servo

SPECS:    Length: 27mm (1.06")
          Width: 19mm (0.75")
          Height: 18mm (0.71")

                                                                    cnh 3/11/10
                                                                         ir/jxs