Constructed of corrosion resistant investment cast 316 stainless steel for long term durability. Color-coded with international symbols for easy deck fill identification. 1-1/2" ? 11-1/2 NPSM straight cap threads. Includes two keys and cap attachment cable. Installs with three #10 FH fasteners (not included). USCG regulations require bonding wire to prevent sparking. Type Gas A 1-1/2" Hose B 3-1/4" C 3-7/16" Fastener #10 FH Pkg. Card