UPGRATOR Stone Slab Lifting Clamp is a professional vertical lifting tool engineered for transporting marble, granite, air brick and roadside stone slabs. Rated at 2204 lb working load, the clamp comes with adjustable jaw opening of 0.39-1.97 in, accommodating stone materials with different thickness. The dual-material steel and rubber design combines rigid alloy steel body and textured soft rubber pad. It delivers reliable non-slip clamping force and keeps polished stone surfaces free of scratches. With 7.8 in throat depth, the heavy-duty clamp maintains stable lifting performance under continuous heavy workload. Designed with swivel lifting ring and self-tightening safety cable, this UPGRATOR stone lifting clamp can pair with forklifts, truck cranes and small hoists. It is widely used in stone quarries, stone processing plants, construction slab installation and warehouse logistics.