[Aluminum for Shell & Small Vibration]Good durability, small vibration. The use of high-quality gear, aluminum for shell processing is . [Universal Output Seat]Universal output for seat , 139/140 / GX35 mower machine and the whole set of accessories. [Great Compatibility]This Multi function Pole Chainsaw Gear for head fits for of machines, for Zomax, for Tarus and other Chinese . [Wide Application]Our Gear for head Assembly is applicable to agriculture, forestry and other fields. Color: As shown Material: Plastic+Metal Package Contents: 1 x Gear for Head 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.