Adjustable Opening Size: Clearly marked size indicators on the side make it easy and convenient to adjust the opening size to meet various needs. Durable Alloy Steel Structure: Made of high-quality alloy steel through forging and high-temperature treatment, it ensures safety and significantly extends the service life of the product. Protective Polyurethane Rubber: Made with special material to prevent damage to the stone and features a textured design to increase friction and minimize the risk of slipping. High-quality screw accessories: equipped with top-quality hardware screw accessories, durable and with enhanced anti-slip performance, more convenient and safer. Versatile: Designed for vertical lifting and transport of steel plates and structures, making it a versatile tool for a variety of industrial and construction tasks., Manufacturer: ZOCWJK