Finish:Unlac MapleBase Material:4-1/8 InchesWidth:5/8 InchProjection:1-1/8 InchesCenter to Center Hole Spacing:3-1/2 InchesBase Diameter:5/8 InchMachine Screw Thread Size:8-32Screw Length:1 InchPilot Hole Size:3/16 InchScrews are includedWarranty:Lifetime