Vertigo is an all steel threaded fastening system for suspending steel threaded rod and other assemblies. Vertigo can be installed in a variety of base materials including steel bar joists and beams, wood frame columns and beams, as well as concrete beams and columns. In wood and steel base materials, Vertigo is also offered in a side mount style for lateral installation of 1/4" and 3/8" diameter steel threaded rods onto joists columns and trusses.For all steel and wood Vertigo fasteners, a redmore Vertigo socket driver is recommended to proved proper installation with a screwgun or hammer drill in "rotation only" mode. Concrete Vertigo fasteners should be installed with the approprate size standard drive sockets and hammer drill or powered impact wrench. less