This product need you to Hand-stitched by yourself,Thanks for your understandingthe leather cover is measured according to the real car with size to fit nicely on your car . be of shape and edgesAttachment : Sewing type for gear knob cover with DIY toolsEasy installation directly. No Drilling or welding needed1, installation2,Confirm and install the shift knob with leather cover3,Adjust the leather cover ,make the cover and fit of cover is aligned4,Knot the thread tail begin to sewing leave the knot thread under the leather according to the pinhole and sew the cover5,Knot two thread twice force to fasten6,Cut off the excess thread and make the cover more beautifulSpecifics:Item Type:Car Gear Shift CoverType:Other 3D StickerColour:blackMaterial: PU leatherPackage Contents:1 * gear shift knob cover1 * Sewing thread needleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.