ADJUSTABLE OPENING SIZE – The opening size can be freely adjusted to accommodate different plate thicknesses. HEAVY-DUTY LIFTING CLAMP – Specifically designed for lifting and transporting steel plates and structures in a vertical position, ensuring a secure and efficient operation. EASY & SAFE OPERATION – Equipped with a special swivel hook-up mechanism for effortless vertical lifting and improved operational efficiency. ALLOY STEEL FORGING – Made of high-grade alloy steel, processed through high-temperature forging for superior safety and long-lasting durability. POLYURETHANE RUBBER GRIP – Non-slip rubber chuck with polyurethane material prevents damage to stone surfaces, while the textured design enhances grip and safety.