66.9390-21 4 MM TEST PROBE BLACK 66.9390-21 belongs to the BT400 series, designed for high precision applications. It features a tip type of N/A and a connection type of Banana Female Jack. With an overall length of 106.00mm, it provides reliable performance with a current rating of 1.0A and a voltage rating of 1000V. Available in a sleek Black color, this product complies with ROHS standards and is packaged in BULK for safe and convenient storage.