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 & silver Install the gear lever into rotation bracket and fitted swim boards 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) Snapping the motor into the swimming board, and move to pull the motor shaft aligned thimble Rotates 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 HSP HPI RC4WD AXIAL SCX10,etc. Good Workmanship:The surface of the puller is bright and without burr.Compact 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:Approx.6cm Type:RC Parts&Accessories color:blue & silver Material:aluminum alloy Package Contents: 1 x gear puller 1 x Motor Pinion Gear Puller Remover Tools Set Only the above package content, other products are not included. Note: Light reflection 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.