Heavy-duty Design Holds Up To 550lbs One-handed Clamp System Allows Clamps To Be Adjusted Together Or Independently Adjustable Jaws & Vertical Clamping Provide Flexibility To Clamp Odd Shapes Adjustable Swivel Pegs Easily Clamp Awkward Shapes Dual-height Adjustment Legs Fold Under To Lower Height For Larger Projects 2-year Limited Warranty Against Defects In Material Or Craftsmanship