This finely crafted stone lifting clamp is made of high-strength Q235 steel, ensuring a firm grip while being durable and corrosion-resistant. The hanging ring design facilitates handling and installation, making every stone handling safe and reliable, and becoming an indispensable and efficient handling tool in your life. Key Features 1.Efficient Tool: The crossover design of this stone clamp greatly reduces labor consumption. With it, you can move plates more easily and efficiently, which is an ideal tool for construction sites. 2.Build to Last: It is made of professionally cut high-quality Q235 steel, which is processed by drilling, welding, grinding, and plastic spraying. It can effectively resist impact and abrasion and is not easy to be deformed and corroded, ensuring a longer service life. 3.Strong Load-bearing: Thickened high-quality material and stable structure ensure a strong load-bearing capacity of 661.39 lbs, so even heavy stone slabs can be lifted and moved easily. 4.Adjustable Design: You can flexibly adjust the opening size (3.94-11.81in) according to the thickness of the stone slab to achieve a precise and stable clamping effect. 5.High Safety: This product has been strictly tested before leaving the factory to ensure that it can safely carry the rated load threshold, so you can use it with peace of mind. 6.Easy to Connect: With a lifting ring on the top, it can be easily and quickly connected to crane hooks or other lifting equipment to realize vertical lifting. 7.Bright Appearance: The bright blue color provides high visibility, making it easy to find the device in dark workshops or warehouses. Details  ✔Anti-slip Rubber Mats: They protect the surface of the slab from damage, and the texture on the mats also increases friction and prevents the slab from slipping during handling. ✔Thickened Screws: They ensure the stability of the stone clamp. Application This stone clamp is suitable for moving heavy materials such as marble and granite up to 10in. It is commonly used in home improvement, construction sites, factories, mining, ports, buildings, and stone processing plants. Specification Material: Q235 Steel, Rubber Color: Blue, Yellow, Black, Red Assembly Required: No Process: Cutting, Drilling, Welding, Grinding, Plastic Spraying Maximum Load: 300kg/661.39lbs Opening Size: 10-30cm/3.94-11.81in Applicable Stone Width: Within 25.4in/10in Type: Stone Clamp with Lifting Ring Package Size: 42*23*12cm/16.54*9.06*4.72in Gross Weight: 9.3kg/20.5lbs Net Weight: 9kg/19.84lbs Package Included 1* Stone Lifting Clamp Notes  1.Please check the style and size before purchasing. 2.Please note that a package contains only one lifting clamp, and chains are not included. Out of safety considerations, please do not pass underneath the clamp or put your hands or feet into the clamp while working. 3.Excessive loads are prohibited and operations that may cause the stone to fall off, such as diagonal pulls, impacts, or sharp turns are prohibited. 4.During operation, please make sure the clamp is close to the center of gravity of the slab to prevent the slab from tipping or falling due to uneven force. Please lift and lower the slab smoothly to avoid violent shaking. 5.Regularly check the nuts and all connecting parts for signs of wear or looseness. If any abnormality is found, repair or replace them immediately.