[High Quality Alloy Steel]The paver lifter is made of thickened manganese steel, processed by high temperature forging, resilient and impact resistance. [Polyurethane Non-slip Chuck]The contact surface of the stone is made of rubber, and the texture design can be non-slip to increase safety, allowing lifting work without damaging the stone product. [Thicker Chain ＆ Adjustable Opening]The chain is hardened, high strength, toughness, and tensile strength. The opening size can be adjusted freely, meet your needs for different sizes of stone. [3 Sizes Available]S: Opening 6-18cm (2 3/8"-7 1/8"), lifting weight 325kg (715lbs). M: Opening 12-24cm (4 3/4"-9 1/2"), lifting weight 280kg (615lbs). L: Opening 10-30cm (4"-11 3/4"), lifting weight 260kg (570lbs). [Wide Application]Lifting tools to move granite, curb, stone slab, marble, brick, etc. Widely used in yards, construction sites, road and bridge engineering and other fields., Manufacturer: HCZKIUJY