Industry standard for telecom and automotive applications. Five ways to connect: 1) U-shaped nose for blade-shaped terminals; 2) Notched jaw for gripping screw heads, bare wire, or terminals; 3) Serrated teeth for gripping threaded or wire-wrapped terminals; 4) Cluster of sharp needles for piercing small gauge (#22-#28 AWG) wires; 5) Large piercing needle for penetrating larger gauge wires. 60" silicone-insulated leads. Rated for 250V, 10A. One red, one black.