This replacement SERVO GEAR SET is designed to be used with HI-TEC'S HS-422 and HS-425 servos. PACKAGE INCLUDES: 4-Gears (white plastic) 1-Spacer (brass) 1-Spacer (white plastic) SPECS: Gear Diameter: 14mm Gear Diameter: 16mm Brass Spacer: Outside Diameter: 9mm Inside Diameter: 6mm
Hitec
Part HRC56334