Resistor Series: RX18,RX19,RX20,RX21,RX24,RX25,RX27,RX71,RX73 SERIES. We can supply more kind of wire would resistor includingRX18,RX19,RX20,RX21,RX24,RX25,RX27,RX71,RX73 SERIES,if any demands, pls contact with us so that we will do utmost to support you. Wire Wound Resistor