Koch Chemie Gummifix Guf Rubber and Interior Plastic Care EXTERIOR CAR WASH SUPPLIES Hyde’s Serum Rustopper (Rust Stopper) Hyde’s Serum Rustopper (Rust Stopper) uses advanced chemistry that blankets the brake rotor in a protective film that prevents “rust dust” – the initial brake dust on clean wheels that occurs after washing Inside the cabin the bonnet light may also be used as a work light either mounted by the telescopic holder or mounted onto the windscreen by the flexible arm with suction cup plastic floor surfaces Gummifix restores surfaces to look “as new” without leaving behind a slippery or oily residue