High-quality alloy steel structure: Made of high-grade alloy steel through high-temperature forging, it ensures durability and long service life, ensuring safe and reliable use. Made of Polyurethane Rubber, Protects Stone: Made of specialized polyurethane rubber material, it is designed to protect stone surfaces from damage while providing enhanced grip to prevent slipping. Adjustable opening for wide use: The adjustable opening width can easily handle stones of various sizes, providing flexibility and convenience for different tasks. Ergonomic Comfort Pull Ring: Adopts ergonomically designed pull ring, providing non-slip, wear-resistant grip, making it comfortable and easy to operate during use. If you have any questions, our team is always ready to help you and give you a satisfactory answer within 24 hours., Manufacturer: ZOCWJK