Perko Gas Fill f/1-1/2" Hose - Chrome Plated Zinc Black Flange. Complete with grounding lug and screw. 7/8". 1 per display card. Easy installation. Features/Specifications: Grounding screw included Black polymer flange Easy installation Built with quality materials Specifications for Perko Gas Fill f/1-1/2" Hose: Manufacturer: Perko Color: Black Features of Perko Gas Fill f/1-1/2" Hose Chrome Plated Zinc Alloy Flange Black Polymer Flange Black Polymer Cap with Strap Grounding Screw Included Cap Retainer and Gasket Specs: For Hose Size: 1-1/2" O.D. Flange: 3-1/8" Neck Length : 1-7/8" Mounting Hole Dia.: 2-1/8" Screw Size: #6 Package Contents: Perko Gas Fill f/1-1/2" Hose Perko 1313DP0CHR: Gas Fill f/1-1/2" Hose - Chrome Plated Zinc Black Flange