- DURABLE MATERIAL: Constructed from thick, alloyed, stainless steel that is forged at high temperatures, our stone lifting clamp ensures exceptional durability and a long lifespan. It is designed to withstand heavy use without breaking. - SAFETY FEATURES: The granite lifting clamp is equipped with safety plugs for easy chain length adjustment—simply pull to adjust and secure in place. The vertical stone clamps feature silver rings to prevent slipping, providing double protection. Additionally, heavy-duty clamps come with rubber sleeves to enhance friction and absorb vibrations, safeguarding stone surfaces during lifting. - HEAVY-DUTY PERFORMANCE: The clamp features reinforced nuts to enhance safety and user comfort. Made from high-stability alloyed steel, it boasts impressive durability. The lifting chain is crafted from manganese steel, capable of withstanding significant impacts, ensuring safe and reliable lifting with high strength, toughness, and stability. - VERSATILE APPLICATION: The adjustable opening size allows the clamp to handle various object sizes, offering flexibility and convenience. It is ideal for construction projects, stone installation, or heavy lifting tasks in workshops. - CUSTOMER SUPPORT: Should you have any questions or need assistance, our dedicated customer service team is ready to help. We guarantee a response within 24 hours for any inquiries.