Includes 5 pins for motor shaft diameter 0.9mm x 1,1.75mm x 2,1.9mm x 1,2.8mm x 1, suitable for motors of rc helicopter, plane or servo.1pcs gear puller & 1pcs Motor Pinion Gear Puller Remover Tools Set : color:blue & silverInstall the gear lever into rotation bracket and fitted swim boards 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)Snapping the motor into the swimming board, and move to pull the motor shaft aligned thimbleRotates active lever as clockwise, pull out the motor gear.1.Fit For:The motor gear puller is specially designed for remote control car,such as for AXIAL SCX10,etc.Good Workmanship:The surface of the puller is bright and without burr. size,eye-catching appearance and fine workmanship.Easy To Use:The RC universal motor pinion gear puller is convenient to carry and easy to use.Size:.6cmType:RC Parts&Accessoriescolor:blue & silverMaterial:aluminum alloyPackage Contents:1 x gear puller1 x Motor Pinion Gear Puller Remover Tools Set