 | Made from AL29-4C Corrosion Resistant Stainless Steel. 4" Diameter More Details... | Made from AL29-4C Corrosion Resistant Stainless Steel. 4" Diameter More Details... | Made from AL29-4C Corrosion Resistant Stainless Steel. 4" Diameter More Details... | Made from AL29-4C Corrosion Resistant Stainless Steel. 4" Diameter More Details... |  |