General description Includes 5 pins for motor shaft diameters: 0.9mm (1 pin), 1.75mm (2 pins), 1.9mm (1 pin), and 2.8mm (1 pin), suitable for mini motors of helicopters, airplanes, or RC servos. Technical specifications Material: Aluminum Alloy Color: Silver Measurement allowed error: +/- 1-3 cm Installation Choose the pull-out cartridge and plug in the rotation lever. Tighten the screws (do not overtighten). Install the gear lever into the rotation bracket and mount the swimming boards. Snap the motor into the swimming board and pull to align the motor shaft. Turn the active lever clockwise to remove the motor. Usage Designed for removing motor pinion gears from mini motors in RC helicopters, airplanes, and servos. Other information Package Contents: 5 * Pinion Gear Puller Tool Set Motor Gear Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product.