Material: Our products are made of high-quality manganese steel and have been reinforced for superior durability and strength. This ensures that the product can withstand heavy loads and remain in good condition even after prolonged use. Safe and Reliable: Extra-large, thick stone clamps are designed for lifting and handling stone, equipped with rubber non-slip heads and polyurethane pads to prevent damage to stone surfaces. Sturdy Construction: It is equipped with strong alloy steel lifting rings that can withstand heavy loads without deformation or breaking, making it a safe and reliable choice for lifting and transporting stone. Adjustable openings and multi-hole design: Our products are designed with multiple adjustable openings to accommodate stones of different sizes. This multi-hole design allows for easy adjustment of the distance between the openings, making it easy to handle stones of various sizes. Versatile and suitable for various stone types: Our stone clamps are versatile and suitable for lifting and transporting various types of stone, including marble, concrete slabs, hollow bricks and rectangular stones., Manufacturer: ZOCWJK