Heavy-Duty Steel Construction: Crafted from thickened stainless steel and processed through high-temperature forging, this granite slab lifting clamp ensures exceptional strength and a long service life. Non-Slip Rubber Chuck: Features polyurethane rubber material to prevent damage to stones, with a textured surface that increases friction and prevents slipping during use. Secure Locking Mechanism: Equipped with a nut expansion pin that locks the steel plate in place, enhancing stability and safety during lifting operations. Versatile Application: Designed for lifting and transporting materials in a vertical position, suitable for marble, granite, concrete slate, hollow bricks, and rectangular bricks. Adjustable and Ergonomic: Allows for free and convenient adjustment of the opening size, made with alloy steel and exquisite casting technology for high strength, toughness, and stable performance., Manufacturer: AYCDL