Made of High Quality Meterial, Stronger And More Easy to use,Easy to replace Fitment:for 1/18-1/8 RC truck Car Toy Instructions: 1. Move the top wheel to the right 2. Align the center hole of the tire with the center column of the adhesive 3. Put the tires down 4. Move the wheel to the left and the tire skin 5. Rotate the tire cover in either direction and drop in the adhesive until the bond is complete This product can be adjusted in : 1. Loosen the top screw of the wheel with 2mm hexagonal batch to adjust the wheel before and after 2. Loosen the screw nut and rotate to the right to adjust the pressure wheel to lower; Rotate to the left to adjust the pressure wheel lifting nut to the right to lock the screw, rotate to the left to loosen the screw height can be freely adjusted 3. There are 3 different specifications of tire center column, 12-14-17mm connector aperture Colour:Black Material:Metal Package Contents: 1 x RC Car Tire adhesive Multi-functional tire adhesive Kit 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.