National Hardware - 2 Piece, Zinc, Box Rail Hanger with Bolt - 57438871 - MSC Industrial Supply
National Hardware N112-227 Heavy Duty Box Rail Hanger With 5-1/2 Inch Bolt 2 Pack: Barn Door Box Style Hangers & Trolleys (038613112223-1)
Amazon.com: HOME MASTER HARDWARE Box Rail Hanger Kit Zinc Plated 2 Set Each Rated Safe Working Load 225 lbs. : Tools & Home Improvement
Amazon.com: YUEBM Box Rail Hanger Bracket, Heavy Duty Exterior Barn Door Hardware, Used to Mount Rail for a Barn Door, 4Pcs, Included Bolts : Tools & Home Improvement
Everbilt 1/2 in. Zinc Plated Offset Flexible Box Rail Hanger Kit 80034 - The Home Depot
National Hardware Zinc Plated Exterior Box Rail in the Barn Door Hardware department at Lowes.com
Box Rail Hangers - Zinc Plated N183-913 | National Hardware