Note: The Material of This Product Is Plastic Steel (More Expensive than Aluminum Alloy). Gasoline, Diesel Oil, Detergent Water and Special Cleaning Oil Can Be Used, Which Will Not React with Plastic Steel! (Other Imitation Similar Products Are Made of Ordinary Plastic, Which Is Not Easy to Use Gasoline, Oil Extraction and Cleaning, Because It Needs to React with Plastic) In Addition, Dry and Add Curing Oil after Washing! Color. Red, Blue, Please Note the Color after Ordering, Those without Remarks Will Be Sent in Blue