Weighing in at 16.4 grams these brass servo horns are designed to be the heaviest on the market. Mounting holes at 20mm and 24mm.
1PC Brass Servo Horn 3.1mm /4.1mm /5.1mm for Servo RC Boat Car Airplane #1300
1PC Brass Two Way Servo Horn 4.1mm / 5.1mm for Servo RC Boat Car Airplane #1301
2PCS RC Boat Brass Rudder Arm Servo Horn Link Rod Rocker 2mm Hole Steering Arm
CNC Aluminum 4mm / 4.76mm Servo Horn Direction Servo Steering Arm RC Boat #1352
CNC aluminum 8mm servo horn direction for servo steering arm RC Boat 1351
SAB Goblin Futaba Servo Horn (4) (25T) [SABHA050-S]