Electric soldering iron hot air gun accessories ceramic heating core Soldering iron tip handle heating core A1321 A1322 C1321 rapid heating, anti-static, high temperature resistance, long life. A1321 ceramic heating core adopts heat-treated four-wire lead nickel heating wire, which has fast heating and long service life, and is suitable for BK936D+, BK936, BK942A and other soldering stations; A1322 ceramic heating core SBK701D desoldering station; C1321 heating core is made of high temperature plastic, high-grade ceramic material for heating, crescent four-pin plug-in design, suitable for SBK936B soldering station.