Bar Joist Sway Brace Attachment, Steel, Length 2 1/2 in, Width 3 5/16 in, Flange Thickness Up to 3/8 in, Galvanized Finish, For Use With Sway Bracing and Hanger Assemblies, Description/Special Features Concentric Attachment Point, Standards cUL Listed, cULus Listed, FM, OSHPD, TOLCO, UL Listed