Abaco Stone Crab Lifter Automatic is designed for clamping and moving stone slabs. - It is suitable for both natural and artificial stones as well as for flat and heavier items in various thicknesses ranging from ⁹⁄₁₆" (15 mm) to 1 ¹⁵⁄₁₆" (50 mm). - The clamp plates are covered by rubber pads to prevent from scratches or damages on the ston