Versatile: Ideal for factory lifting, road construction and stone transportation. Compatible with crane trucks, tower cranes, bridge cranes and mobile cranes. Effectively lifts concrete blocks, granite slabs, wood, plates, stone panels and oversized precast components for efficient installation. Ideal for various lifting tasks in construction and industrial environments. MULTIPURPOSE - Used for lifting in factories, road construction and stone transportation. It can be used with crane trucks, tower cranes, bridge cranes and mobile cranes to lift and install concrete blocks, granite slabs, wood, plates, stone slabs and large prefabricated parts. Our thickened nuts and adjustable chains enhance your lifting experience. Designed for safety and comfort, the thickened nut connector provides great stability and smooth jam-free operation. The manganese steel adjustable chain features ergonomic design, high strength and impact resistance, ensuring a reliable lifting solution for various tasks. Adjustable opening: several holes are adjustable and the size of the opening can be adjusted freely according to the size of the stone to fit stones of different sizes, meet your various needs, and greatly improve practicality and convenience. FORGED ALLOY STEEL - Our stone lifting tweezers are constructed of thickened alloy steel and subjected to high-temperature forging to ensure superior durability and stability. Designed to withstand harsh environments, these lifting clamps meet all your lifting needs and are essential tools for construction and masonry work., Manufacturer: ZOCWJK