Description: It can easily puncture the cable sheath for testing without cutting the cable sheath. It is widely used in cable repair, power testing, industrial field testing and other cable non-destructive testing. Parameters: Metal material: main body copper, stainless steel Surface treatment: nickel plating Molded shell material: nylon color: red, black Electrical parameters: CATIII 1000V/Max.10A Connection method: comes with 4 mm socket Use: - press the end of the test tool, the test cable (about 4mm in diameter) into the test tool -release the button and test tools within the very fine probe can pierce the cable jacket direct and conductor, thus to cable signal for nondestructive testing. -unique V type line groove design, to ensure that the position of the barbed wire is in the middle of the cable, the efficiency is very high. - after testing, release the button to remove the wire, cable sheath unscathed