No-Wrench Screw Anchor, 6″ Dia., Helix, 3/4″ x 66″ Shaft

Twin Helix Anchor, PISA 10″ Dia., 1-1/2″ sq. Hub for 3/4″ or 1″ Rod

PISA Anchor Helix, 10″ Dia., 2-1/4″, Socket Driven for 3/4″ or 1″ Rod