This is a package of four replacement Pivot Balls for the Associated Mini MGT RTR.  Pivot balls attach the lower and upper arms to the steering blocks.                                                                                      FEATURES: Steel construction, silver in color                                                  Replaces worn or damaged pivot balls                                                                                                                  INCLUDES: Four Pivot Balls                                                                                                                                      REQUIRES: Installation following the model manual                                                                                                               SPECS:    Length: 1.14" (29mm)                                                                Ball Diameter: .42" (10.75mm)                                                       Hex Size: Installs with a 2.5mm hex wrench