Heavy-duty battery clamp designed for both 12-volt gas and diesel engines. Needle-nose clamp profile for jump starting hard-to-reach and oversized battery terminals. Made from durable, heat stabilized 8 AWG silicone wire that maintains its flexibility in cold weather environments. Engineered to efficiently transfer maximum current flow with minimal power loss. Compatible with the GB20, GB40, GB50, and GBX45 UltraSafe Lithium Jump Starters.