Check the listing for details. Cast Iron Sewer Grate Strainers Drain Catch Basin Cover Trench Drainage Outdoor. Condition: New. Listed at 27.34 USD. Description This cast iron drain grate uses ductile iron with high strength and stable structure, which is not easy to deform. It adopts a thickened tendon design with a good load, so you can install it on the road without worrying about collapse to ensure the safety of vehicles and pedestrians. Reasonably sized holes not only effectively drain water but also prevent blockages caused by leaves or debris falling into the drain. So it is ideal for drainage on roads. Key Features Rustproof and Anti-corrosion: This cast iron drain grate is made of ductile iron. It is not easy to age, rust and corrode. Even if it is in a humid environment for a long time, it can maintain the good performance of the material. And it has better tensile resistance and is suitable for long-term use. Strong Bearin.Description This cast iron drain grate uses ductile iron with high strength and stable structure, which is not easy to deform. It adopts a thickened tendon design with a good load, so you can install it on the road without worrying about collapse to ensure the safety of vehicles and pedestrians. Reasonably sized holes not only effectively drain water but also prevent blockages caused by leaves or debris falling into the drain. So it is ideal for drainage on roads. Key Features Rustproof and Anti-corrosion: This cast iron drain grate is made of ductile iron. It is not easy to age, rust and corrode. Even if it is in a humid environment for a long time, it can maintain the good performance of the material. And it has better tensile resistance and is suitable for long-term use. Strong Bearin.