Minerallac® Flange Clamp, 0.048 in Flange Thickness, 200 lb Load, For Use With: 1/8 to 1/4 in Flange, 1 in Strap and Strap Perpendicular to Beam, Specifications: 1-Hole, 0.25 x 1.05 in Fastening-Hole, Black, Spring Steel, Zinc Phosphate/Oil, 2.72 in H x 1.32 in W x 1.73 in D Dimensions