Fixture material:It is made from low-carbon high-quality alloy steel featuring high strength, corrosion resistant and high temperature resistant. Merchandise quantity: This price is for 1 pcs lifting clamp. You need to buy two or four ones if your steel plate is too long. Wide Application Area: Designed to lift and transport steel plates and structures at a vertical position under different occasions such as shipyard, steel structure installation, steel market, machine processing, construction site, etc. Large Lifting Capacity: The clamp has an excellent jaw enabling plates of varying thickness to be lifted with the same clamp. See the third picture for lifting weight and opening size. Convenient Operation: The lifting clamp is fitted with special swivel hook-up facilities to enable easy operation of the plate clamp in a vertical position.