Heavy-Duty Ground Clamps
• Manufactured from heavy-duty nickel-plated
steel with forged brass conductors and braided
copper strap to carry current to upper jaw
• Heavy-duty spring provides positive contact at jaws
• Cable is easy to install with built-in cable connector and oval point screw
• Allen-type wrench included
Model 
No.        Amps 
NT668   300
NT669   500