Quality MaterialOur grill wheel is made of quality hard plastic material, which enables it to be durable, wear-resistant and not easy to break. It won't fade easily in daily use. With CoverThere are covers attached to this package. It can help you protect the grill wheel from dust and sand. Replacement PartThis BBQ Grill Wheels will be an useful replacement part for the wheel of a BBQ grill. You can buy it to replace the old wheel of your grill or just buy it in case of needing. Easy to InstallTo install this grill wheel, you only need a common wrench. Just remove the old wheel and install the new replacement part with the shaft through its middle hole. Also, applying a little oil to the shaft is recommended. Size InformationThis Grill Wheels Replacement Part measures about 19.5x4cm, and middle hole diameter is 11mm. It is suitable for most grill. Specification: Material: Plastic Size Chart: diameter: 19.5cm/7.68inchWidth: 4cm/1.57inchhole diameter: 1.1cm/0.43inch Package Includes: 2 PiecesBBQ Grill Wheels Note: Please allow slightly errors due to manual measurement and different monitors.