General description Includes 5 pins for motor shaft diameters: 0.9mm, 1.75mm, 2mm, 1.9mm, and 2.8mm, suitable for mini motors of helicopters, airplanes, or RC servos. The set is made of aluminum alloy and comes in a silver color. Technical specifications Material: Aluminum Alloy Color: Silver Pin diameters: 0.9mm, 1.75mm, 2mm, 1.9mm, 2.8mm 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 Content: 6 x Motor Gear Pinion Puller Tool Set. Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing.