The heavy-duty clamps, which are made of copper, attach firmly on the battery terminals so they don't easily fall off. These jumper cables are also exceptionally thick, using 4-gauge wires.

High Quality: Jumper cable battery clamps made of copper core clip body, all-inclusive material, the widest clip body is more stable. The anti-slip pattern design of the handle is made of soft ...

These 20-ft., 2-gauge jumper cables with copper jaws and plastic-coated clamps are a bargain for a heavy duty set. The tough ...

【Strong And Safe Clamps】: The TOPDC Jumper Cables booster cable has four giant alligator clamps with strong jagged teeth and springs for excellent grip force. The jaws are strong and make ...