The Curien Back Probe Lead Set, No. BPLS101, is ideal for back probing and getting readings on sensors, connectors, and other sensitive and hard-to-reach areas. The set includes a 10' green 18-gauge copper lead with alligator clip and gold plated 4mm banana jack and six 2" steel T-pins. The 10' cable allows for Curien's N2 to be placed strategically for optimal safety while going for test rides or other functional testing. Made in the U.S.A.