Key Features Built to Last: Made of excellent Q355 steel and polyurethane rubber materials, with a spray molding process, this product is tough, wear-resistant, impact-resistant, and not easily deformed. Strong Load-Bearing Capacity: The sturdy materials and reasonable structure allow this product to easily handle a weight of 716.5 lbs, which can help you quickly and easily lift and transport stone. Adjustable Clamping Width: This product comes with an adjustable opening range of 2.36-9.45 inches, which can adapt well to different thicknesses of stone and meet your diverse needs. Thoughtful Design: This product uses polyurethane rubber pads with anti-slip textures to increase friction, ensuring that the stone does not easily slip off. Application This product can be widely used in stone yards, construction sites, road and bridge construction sites, etc., for clamping marble, concrete slabs, hollow bricks, granite columns, and other stone materials. Specification Color: Red/Yellow Style: Modern Material: Q355 Steel, Polyurethane Rubber Process: Spray Molding Assembly Required: Yes Max. Load Capacity: 325kg/716.5 lbs Opening Size: 6-24cm/2.36-9.45in Single Handle Length: 45.5cm/17.91in Product Size: 41*21*10cm/16.14*8.27*3.94in Package Size: 47.5*30*12cm/18.7*11.81*4.72in Gross Weight: 9.35kg/20.61 lbs Net Weight: 8.55kg/18.85 lbs Package Included 1* Stone Clamp 1* English Manual Notes 1.Please use the product within its weight capacity. 2.Please note that this product can only be used for gripping stone materials and is not suitable for smooth items such as glass. 3.When using this product, it is necessary to choose a stone material that is suitable for the opening size. Please read the operating manual completely before use and pay particular attention to the safety instructions included.