HM-4G3-Z-32 (HM-4G6-Z-33, HM-M120D01-Z-27) (HMXE2024)*Cyclic Servos:Set of 3 (WK-02-1):4G3 (New),4G6/S,M120D01,V120D01/2/2S/3,4#6/S/BELL & Novus CP

Please make sure the model number located outside the servo casing near the servo arm says WK-02-1 otherwise these servo will not fit your main frame. There were initial release main frames which use old servos with different servo model number.