For 100A-500A Heavy Duty Crocodile Clamp Pure Copper Car Battery Charger Clamps Power Replacement Battery Alligator Clips Jumper Cables Clamp Welding machine clampspecification:Material: all copperColor: red, blackfeature:1.The best contact between copper teeth.2.With insulated handle, convenient to use and handle.3.There are wiring ports and crimping grooves on the handle,which is convenient and quick.4.The alligator clamp connector is firmly fixed.5.It is widely used in various electricians and voltage testers. Automotive jumper cablesPackage Included:4 x alligator clips (2 red + 2 black)contact usIf you have any questions about our products, please let us know and we will reply within 24 hours.We want to make our customers 100% satisfied.