Sea-Dog Stainless Steel 90 Degree Hand Rail Tee This Sea Dog hand rail tee is constructed of investment cast 316 stainless steel for corrosion resistance and durability. Designed for use with 78 outer diameter stainless tubing with a wall thickness of .049. Features Investment Cast 316 Stainless 90 Degree Universal Tee 78 O.D. Tube Stainless Tube Wall Thickness .049 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Rail Size 78 Produ