... UL, RoHS, ISO9001 compliant Crown Spring Jack, Made of Brass and CuZn36Pb3 Materials,Available in Various Mating Pin DiametersMaterial quality: QBe2.0+ heat ... -plated 2µm and 5µm Available in various mating pin diameters Crown Spring Jack, Made of Brass and CuZn36Pb3 Materials, Available in Various Mating ...