Fast Clamp Sway Brace, Carbon Steel, Nominal Conduit/Pipe/Threaded Rod 6 in, Length 3 in, Width 7 11/32 in, Electrogalvanized Finish, For Use With Schedule 10 thru 40 IPS, Description/Special Features Field Adjustable, Leaf Spring Insert, Standards cUL, FM, TOLCO, UL.