Finish:Dull BlackBase Material:4-7/16 InchesWidth:1/2 InchProjection:1-3/16 InchesCenter to Center Hole Spacing:96mmBase Diameter:7/16 InchMachine Screw Thread Size:M4Screw Length:1-1/2 Inch BreakawayPilot Hole Size:3/16 InchScrews are includedWarranty:Lifetime