Made of 20AWG silicone + pure copper wire, durable, the silicone lead is soft and elastic, resistant to high and low temperatures. Magnetic Test Lead 30VAC 5A | Low Voltage Magnetic Jumper Silicone Wire 1M-Red Black Yellow Green Blue White Each end of the magnetic test lead is equipped with a powerful permanent magnet so that a quick and strong connection can be made. Troubleshooting is now a breeze, no more frustrating alligator clips that keep popping out of the terminals or hand shorting the meter! 30VAC 5A low voltage magnetic jumper designed by technicians. Terminal no up. It is designed for embedded terminals in thermostats, control panels, sensors, switches, alarm panels. Material: Silica gel+copper colour: As shown Package Contents: 6 x Magnetic test leads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.