The Hopkins FloTool 10703 Spill Saver Radiator Funnels 5 pack is a set of plastic funnels designed for automotive use. Manufactured by HOPKINS, these funnels are specifically made to prevent spills when pouring oil or other fluids into a radiator. With a manufacturer part number of 10703, this product is essential for automotive professionals and car enthusiasts looking to keep their vehicles clean and well-maintained during maintenance or repair tasks.