POWERTEC 20301 Horizontal Quick-Release Toggle Clamp, 500 lbs Capacity, 225D A rock-solid grip to install on jigs, tool fixtures, or movable bases Cold-rolled carbon Steel with Zinc plated coating for corrosion resistance Retracted clamp will allow for vertical removal of clamped item 500 lb holding capacity; Complete with adjustable rubber pressure tips Mechanism allows maximum clearance; low height design