Sea-Dog Handrail Tee Fittings – Investment Cast 316 Stainless Steel These handrail tee fittings are designed to create direction changes in handrail systems. Constructed from corrosion-resistant investment cast 316 stainless steel, they offer durability and long-lasting performance in marine and outdoor environments. Many models include set screws for secure installation, which can be purchased separately (part #299999-1). Installation requires a 1/8" Allen wrench. Compatible with stainless steel tubing with a wall thickness of 0.049". Part # Description Tube O.D. Weight (lbs) 290600 60° Universal Tee 7/8" .39 290601 60° Universal Tee 1" .46 290603 60° Hinged Tee 7/8" .53 290604 60° Hinged Tee 1" .70 290900 90° Universal Tee 7/8" .34 290901 90° Universal Tee 1" .38 290903 90° Hinged Tee 7/8" .53 290904 90° Hinged Tee 1" .58 291600 60° Tee - Left (Port) Inside Set Screws 7/8" .34 291601 60° Tee - Left (Port) Inside Set Screws 1" .43 292600 60° Tee - Right (Starboard) Inside Set Screws 7/8" .31 292601 60° Tee - Right (Starboard) Inside Set Screws 1" .42 293100 3 - Way Corner Fitting 7/8" .47 293101 3 - Way Corner Fitting 1" .57 293131 4 - Way Corner Fitting 1" .70 293141 4 - Way Tee 1" .48