8-Bar - Universal Flange Mount Bracket and Two Clips W/ Pre-drilled Holes 1 Inch on Center. Zinc Plated Steel Finish. Length = 18.0 Inches. Mounts to Top Flange of Beam. Bracket is 2.5 Inches Wide by 3/8 Inches Thick. All Holes to Accept Hangers are 1 Inches On-Center and 0.56 Inches Diameter (to Accept 3/8 Inch diameter hanger Bolts). Common Applications: Monorail / Underhung Applications, Flange Mounted Bottom Entry Systems.