Gas Fill w/ Locking Cap for 1-1/2" Hose(0599)Chrome Plated Zinc Alloy FlangeBlack Plastic BodyBlack Plastic Cap w/ StrapGrounding Screw IncludedCap Retainer and GasketLocking Cap has a cover for the key holeTech Infofor Hose Size: 1-1/2"O.D. Flange: 3-1/8"Length of Neck: 3-1/8"Mounting Hole Dia.: 2-1/8"Screw Size: #8