Welding Rotary Ground Clamp; Item Ground Clamp; Type Rotary; Used On Item Welding; Current Rating 500 Amp; Cable Connection Type 2 Oval-Point Screw with Cover; Jaw Opening Size 3-3/8 Inch; Cable Fitting Thread 1/2 Inch-13 TPI; Throat Depth 2-1/2 Inch; Cable Capacity 3/0 to 4/0

Make it Easy to Attach the Rotating Portion to the Work; The Units Come Completely Assembled, Ready to Attach to the Work