1[Double Layer Insulation] Made of flexible PVC material, which is durable, double layer insulation, frost resistance and heat resistance 2[Quick Response Time] The test needle is not easy to break, has good contact characteristics, and measures the response time quickly and stably 3[Stable Performance] Multimeter test probe is protected from dust and oxidation, ensuring an efficient and stable connection, so you can use it with confidence 4[Crosshead Socket] With crosshead socket, the safety protected banana plug is easy to pull and plug, and it is equipped with a dust proof and anti oxidation plug 5[Widely Application] This test probe is designed for use with any multimeter, clamp meter or test instrument, to meet your various need