Heavy Duty Construction: Made from thickened alloy steel with an coating, this lifting clamp is devised for durability and long-lasting performance even in harsh environments. Non-Slip : Features a polyurethane rubber surface that ensures a secure grip on stone materials, preventing slips and damage during lifting operations. Adjustable Opening Size: The clamp can accommodate various stone thicknesses with adjustable openings ranging from 0 to 6.5 cm (0-2.5 inches) to 3-13.5 cm (1.2-5.3 inches), making it versatile for different lifting tasks. High Visibility devise: The bright color of the clamp enhances visibility, allowing for easy spotting in workshops, construction sites, and warehouses, ensuring and efficiency. Wide Application: Ideal for lifting and transporting a variety of materials including granite slabs, concrete blocks, marble, and steel plates, this clamp is perfect for use with tractors and cranes in industrial environments., Manufacturer: ZBVUILMLZ