Boat Handrail/Grab Rail Handle 9" -11" - 13" - 15" - 21" inch Flared Base Marine 316 Stainless Steel Hand Rails Grade 316 marine stainless steel Maximum corrosion resistance and durability in the saltwater environment. Polished to a beautiful mirror-like finish. Size: 9 Inch. Tube ends (base) are completely sealed. No water entry. See additional details and measurements in product description below.