Stone Lifting Clamps , Lifting Clamp For Lifting And Installing Concrete Blocks Granite Slabs Timber Heavy Duty Lifting Clamps 617 Lbs Tensile Strength Lifting X-shaped Granite Slab Carrying Clamps Adjustable Opening 【325 KG Load Bearing Capacity】The marble carrying clamp is made of heavy-duty thickened alloy steel, forged at high temperature, with high strength and impact resistance. X-shaped Stone Lifting Clamps, 4-6-8 inches [325 KG Load Bearing Capacity]The marble carrying clamp is made of heavy-duty thickened alloy steel, forged at high temperature, with high strength and impact resistance 【Adjustable Opening Distance】Granite slab lifting fixture has a freely adjustable opening size of 60mm to 240mm(4-6-8 inch), making it easy to vertically translate or transport objects of different sizes. YRCWZF Granite Slab Lifting Clamp 617lbs Stone Lifting India | Ubuy X-shaped Stone Lifting Clamps, 4-6-8 inches Granite Slab Lifting Clamps 770LBS, Vertical Stone Philippines 【Rubber Anti-slip Chuck】The polyurethane rubber anti-slip chuck adopts a textured design to increase friction with the surface of the stone, and avoid damaging the stone during operation.