[Material] Threading tools are made of stainless steel and PVC materials, which are strong enough to not or deform.[Package content] You will receive 2 red puncture clips and 2 black wire puncture probes for multimeter testing, which can meet your .[Easy to use] Just loosen the knob at , insert the wire into the wire slot, and then tighten the knob, insert the multimeter probe into the for testing.[Application] The insulation piercing clip set can be used for vehicle maintenance, equipment maintenance and electrical appliance maintenance. It can be loosened from the insulated wire without piercing the insulation, and the voltage can be measured at the same time.[Size] This perforating tool is about 3.8 x 0.8 inches. It is light and easy to carry. It can be used for most plug .color:Black+redMaterial:pvc+metalPackage Contents:4 x piercing toolsOnly 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.