Locking Gas Fill f/ 1-1/2" Hose SHIPPING INCLUDED TO LOWER 48 STATE DESTINATIONS Chrome Plated Zinc Alloy Black Plastic Flange Black Plastic Cap with Strap Ground Screw Included Cap Retainer and Gasket Locking Cap has a Cover for the Key Hole For Hose Size: 1-1/2" O.D. Flange: 3-1/8" Length of Neck: 1-7/8" Mounting Hole Dia.: 2-1/8"