8-Bar - Original 3 Conductor System. Flange Mount Bracket W/ 3 Hangers (Plastic, 22800) Pre-Installed. Zinc Plated Steel Finish. Length = 16.50 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.