Includes one negative and one positive 600 AMP booster clamps. These heavy duty booster clamps are designed with special clamping teeth to easily grab onto both side mount and post batteries. The clamps also feature a new thicker gauge spring to maximize the clamps hold and larger rubberized grip handles for extra safety. Features & Specifications 600 Amp booster clamp replacements Both positive and negative clamps included New patented jaws for better side mount and post battery connection Upgraded thicker gauge clamping spring Rubberized safety handles. EZ Travel Collection Brand.