Pivoting bale for easier and more versatile operation. Automatic serrated hardened steel cams and pads. Drop-forged steel case for maximum strength. Designed to meet ASME B30.20. Warning: Do not exceed the working load limit. Serious bodily injury or property damage may result. 800 lbs minimum plate weight. 2.9" Throat depth. Not designed to use on stainless steel or aluminum plates. For use with materials with a surface hardness to 30 RC (300 HB).