【Wear-resistant Lifting Ring】- Our stone lifting clamp features a thickened wear-resistant material lifting ring, ensuring durability and prevention of breakage during use. It’s designed for the rigorous demands of UK customers. 【Anti-slip Rubber Pad】- The clamp is equipped with an anti-slip rubber pad at the clamp, ensuring the stone clamping plate does not slip or damage the stone plate during use. It’s perfect for moving granite slabs, marble slabs, and other stone materials. 【Nut Expansion Pins】- The nut expansion pins in our stone lifting clamp firmly lock the steel plate, significantly improving the stability of use. It’s designed for heavy-duty applications, capable of handling kerbstones and other concrete elements with ease. 【Adjustable Brake Holes】- The lifting clamp is equipped with brake holes, allowing the opening size to be adjusted freely within a range of 4-6-8 inches. It offers versatility and precision for various stone slab sizes. 【Notice】- Please note that this lifting clamp is not suitable for stone slabs with excessively smooth surfaces. Be cautious when transporting smooth stone slabs to prevent them from slipping and causing damage., Weight: 18.298367746 pounds, Manufacturer: Lfhelper