Constructed of chrome plated die cast zinc. Recommended for freshwater use. Installs to deck with #10 FH fasteners (not included). Fittings can be attached to railing with set screws or can be pop riveted using stainless or aluminum rivets. For use with 7/8" OD stainless tubing with a wall thickness of 0.049". Type Right Hand Tube 7/8" OD Rail Height 2-1/8" Fastener #10 FH