Made from marine grade stainless steel ,surface with mirror polishing finish Widely used for boat grab bars ,handles and door pull Handrail overall length 9".round tube 25.4mm Installs with four m6 fh fasteners (included).,hole center to center 1-3/4" . Hand rail of your boat to help you get into/out of your boat and onto the swim platform safely and easily. Marine Grab Bars and Handles made of Marine grade stainless stee,surface with mirror polishing finish,corrosion and rust resistance. The boat handles high distance is 38mm, It provides ample hand clearance for maximum grip. Installs with four M6 FH fasteners (included).hole center to center 1-3/4" .