Large Solid Copper Alligator Clips - Nearly 2 inches long they are great as a Crocodile Jaw Clip-on Soldering Heat Sink & DIY Electronics Test Leads Excellent Heat Transfer Makes Solid Copper Alligator Clips The Best Soldering HeatSinks To Protect Delicate Thermal Sensitive Electronic Components Wire Connector supports up to 10 gauge / 10awg (10ga) stranded or solid wire for crimp or soldered connection Rated for up to 10 amps of current and 10 AWG (10 gauge) stranded or solid hook-up wire Great addition to any DIY Electronics Enthusiast or Hobbyist - Make Test Leads or Protect ICs, circuits, and other heat Sensitive parts when soldering