Connect method:4mm socket connection Application scope:Match with the test lead of Multimeter or Oscilloscope for high voltage In certain circumstances can not be found to be measured point and the need to break the wire jacket on the signal test, can easily use this tool, the plug is easy and common use of the table with a simple, safe and fast. Product features: and hard stainless steel needle can easily pierce the of cable but doesn't it.It can be widely used about the non-destructive cable test in Auto,Power,Industry, Manufacturer: Jnchdghwa