Test Clip, For Use With 0.16 in (4mm) Banana Plug Test Leads, Maximum Current 10 A, Maximum Voltage 33/70V, Color Black/Red/Yellow, Hand Held Voltage 33V AC/70V DC, Features Make Contact with Insulated Wires without Cutting or Stripping Insulation, Pierces Insulation on Wires from 22 to 14 AWG (0.03 in Through 0.18 in Diameter), Spring Loaded Double In.V In. Clamp Holds Wire Centered for Piercing Needle, Tiny Hole Left in Insulation can Easily be Sealed, Length 4 in, Number of Alligator Clips 0