Home Anchor Plates Square Anchor Plate, 20″ x 20″ Dia., for 3/4″ or 1″ Rod Square Anchor Plate, 20″ x 20″ Dia., for 3/4″ or 1″ Rod Frontier Part Number: 425PAS20 NOTES: HOT DIPPED GALVANIZED STEEL 400 SQ. IN. EXPANDED AREA See Compatible Items: Anchor Rods DOWNLOAD PDF DRAWING