Baseplate Size: 6" Wide X 6" LongThickness: 1/4"Baseplate Hole Size: 3/4"Material: SteelFinish: GalvanizedFor Use With Any Kindorf, Unistrut And Many Other Strut Fastening SystemsFor Use With 1-5/8" X 1-5/8" Channel OnlyCreates A Base For Strut System That Will Not Be Against A WallDesigned To Be Anchored Into Concrete With 3/4" Dia. Wedge Anchors