B-Line Beam Clamp, Series: B441-22, 1-5/8 to 3-1/4 in Channel, 3/4 in Flange Thickness, 1200 lb Load, Right Angle Under Flange Channel Position, For Use With: High Channel, Specifications: 150 in-lb Torque, Low Carbon Steel, Zinc Plated, 5 in H x 3 in W x 2-3/8 in D Dimensions,