Features High Quality Material: The test needle is made of high quality gold plated brass, which is sturdy and durable to ensure long term use. Stable: It can ensure that the needle shaft is in close contact with the tube wall to reduce the probability of instantaneous power failure. Mechanical Life: The test needle can be used 30,000 times, the resistance value is small and stable, and the service life is long. Good Performance: The test needle has a large current, low contact impedance and stable performance. Scope of Application: The size of the test pin is 3.2mm, which is mainly suitable for testing accessories of electronic components. Specification: Item Type: Test Pin Model: UB189-J Material: Gold Plated Brass Basic Parameters: Needle Diameter: Approx. 3.15mm/0.12in Total Length: Approx. 36.5mm/1.4in Purpose: Electronic Components Test Accessories Package List: 50 x Probe Note: Please allow 0.1‑0.2cm/0.04‑0.08in error for manual measurement Package List 50 x Probe