Jet Special 540A-3; 540A Series C-Clamp; 0-3 IN #22002 Price For: Each Clamp Type: Standard C-Clamp Application Strength: Light-Duty Throat Depth Style: Standard Depth Clamp Material: Ductile Iron Maximum Opening Capacity (Inch): 3 Minimum Opening Capacity (Inch): 0 Throat Depth (Inch): 1-7/8 Load Capacity (Lb.): 1800 Screw Finish/Coating: Black Oxide Screw Diameter (Inch): 1/2 Color: Gray