8-Bar - New 4 Conductor System. Flange Mount Bracket W/ 4 Hangers (Steel, 21600) Pre-Installed - 2 Hangers on Each Side. 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 3 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.