Feature●Rod(Thread) Size: 1.57" , Max Jaw Opening: 0.95" .Max Load (Lb.): Top of Beam 500 and Bottom 250.●Premium Material: Premium malleable cast iron and Zinc coating, anti-corrosion and durable.●Package: 20 Pcs Metal Beam Clamp.●Widely Application: Suitable for Structural Attachment to Top Or Bottom Of Metal Beams, Or Angle Iron, Purlins.●After-sale Guarantee: If you are unsatisfied with our C Clamp, do feel free to contact us, we will provide you with a satisfactory solution.Description