This is a commonly lost little connector that goes between any Tetrad cartridge and tonearm wiring harnesses. The straight pin side is made to easily plug into the back of any Tetrad ceramic cartridge. In this type 2 version, the rear pins are flared out to allow universal connections to most any tonearm wiring situations. In the hands of a skilled technician, the angled pins can be soldered directly to bare tonearm wires. The pins are 0.030".