Includes 5 pins for motor shaft diameter 0.9mm*1,1.75mm*2,1.9mm*1,2.8mm*1, suitable for Mini motors of rc helicopter, plane or .Choose the thimble you need to pull,plug in the rotation lever,tighten the screws (Note:There are thimbles with platform, screws should not too tight)Install the gear lever into rotation bracket and fitted swim boardsSnapping the motor into the swimming board, and move to pull the motor shaft aligned thimbleRotates active lever as clockwise, pull out the motor gear.Color: silverMaterial: Aluminum alloyPackage Contents: 1 * Motor Pinion Gear Puller Remover Tools SetOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.